Lab Stools

Science lab stools are a collection of ergonomic and practical seating elements with fixed-height, adjustable-height, backless, armless, upholstered, or other design options to suit virtually any science lab or classroom need.


Adjustable-Height Stool: Adjustable-height stools are stools with legs that adjust or frame with pneumatic height mechanism that adjusts for desired seat height.

Anatomy / Clinic Chair: The anatomy or clinic chair is a stool-like seat on a 5-prong mobile base with adjustable height controls and a swivel seat assembly. The backrest has a unique T-style design that can alternatively serve as an armrest for writing notes or other support.

Backless Stool: Backless stools are single-user seats without backrest or armrests, set on a stationary or mobile frame.

Computer Task Chair: Computer task chair describes a mobile seating element with 5-prong base and swivel seat that adjusts in height, typically with a backrest and option for armrests.

Drafting Stool: Drafting stool typically refers to fixed and adjustable-height seating products with taller height compared to traditional chairs and most contain a footring for added support.

Drafting Stool with Adjustable Arms: Drafting stool with adjustable arms refers to seating elements with a variety of design options containing armrests at the sides of the seat with adjustable armrest-height for comfort.

Drafting Stool with Loop Arms: Drafting stool with loop arms refers to a seating product with adjustable height in a variety of styles with non-adjustable loop-shaped armrests at the sides of the seat.

Ergonomic Drafting Chair: Ergonomic drafting chair is a taller adjustable-height seat with backrest, usually with the option for armrests, presenting a variety of adjustable comfort settings to personalize the fit and feel.

Fabric Drafting Stool: Fabric drafting stool is a drafting stool with fabric upholstery, usually with padding in the seat and backrest for comfort.

Fixed-Height Stool: Fixed-height stool is a stool with a set seat-height that cannot be adjusted.

Gas-Lift Stool: Gas-lift stool is a seat with stationary or mobile base and an integrated compressed air mechanism that allows the seat-height to instantly adjust with the touch of an under-seat lever.

Lab Stool: Lab stools are made with stationary four-leg frame, reinforced for support, and with a single seat or seat and backrest for student use in science lab or classroom.

LeatherPlus Drafting Stool: LeatherPlus drafting stool refers to a drafting stool with LeatherPlus upholstery – enhanced upholstery with leather infused and/or treated with other materials for increased strength and softness.

Mesh Drafting Stool: Mesh drafting stool can refer to drafting stools with a mesh backrest and/or mesh fabric upholster on the seat. The mesh designs allow increased breathability while seated for greater comfort with extended use.

Multifunction Drafting Stool: Multifunction drafting stool typically refers to a mobile seat with adjustable-height in taller height-range with footring. The seat provides ergonomic controls for adjustable seat-height, back angle, and tilt with lock.

Plastic Task Chair: Plastic task chair describes mobile adjustable-height seating elements with plastic seat design. The seat may have a one-piece seat and back chair shell design or separate components assembled to form the seat and backrest.

Science Lab Stool with Back: Science lab stool with back is a fixed or adjustable-height seating element with backrest. The backrest may be a separate component or part of a one-piece shell with the seat component.

Screw-Lift Adjustable Stool: Screw-lift adjustable stool refers to a stool seat with adjustable-height that adjusts by spinning the seat to heighten or shorten the screw-like seat assembly.

Stool with Backrest: Stool with backrest refers to individual seating products with seat and back components assembled to form a chair-like design, usually with a taller height for the frame to accommodate science lab workstations and tables.

Swivel Stool: Swivel stool is a seat with stationary frame or mobile base and a seat that rotates 360° for functional work posture support.

Task Chair with Drafting Kit: Task chair with drafting kit refers to mobile seats with height extension and footring to increase the adjustable height-range and add support for leaning postures in drafting chair-style.

Vinyl Task Chair: Vinyl task chair refers to an adjustable-height mobile seating product with vinyl upholstery.

Z-Stool: The Z-stool design has a Z-like shape with frame that supports a single seat component or seat and backrest. The Z-shaped frame can nest on tabletops or counters during cleanup for convenience.


Adjustable Arms: Adjustable arms typically offer height adjustment with a push-button release that allows the armrest to be pulled up or pushed down for customizing the height position. Some armrests offer forward and back adjustments and lateral adjustments as enhanced features.

Adjustable-Height Backrest: Adjustable-height backrest describes a backrest component that can be adjusted up or down to provide a more natural fit and better support for the user.

Attached Floor Glides: Attached floor glides help stabilize stationary stools and protect floors from stool movement and use.

Backrest: Backrest describes a separate or attached component of science lab stools and chairs that supports the spine and posture during sitting.

Carpet Casters: Carpet casters are casters designed for consistent quality motion on carpeted floors.

Casters: Casters are wheels, usually dual-wheel assemblies with hood to protect from clothing snags, which balance and support the stools and chairs while providing mobility.

Casters and Glides Included: Science lab stools that include casters and glides give users the option to have a stationary base or mobile base, or change as desired.

Chrome Footring: Chrome footring refers to footring attachments finished in shiny chrome plating found on select drafting stools and seating elements.

Deep Waterfall Seat Front: Deep waterfall seat front refers to the curved, slightly lowered front edge of seats, designed to reduce pressure on the backs of legs for better circulation, posture support, and comfort.

Double-Contoured Seat: Double-contoured seat refers to seats made with contoured shaping to provide a more natural fit.

Drafting Kit: Drafting kit describes a stool enhancement option that includes a height extension to increase stool height-range for the select adjustable-height seating product, and a footring to add the classic drafting stool support.

Dual-Wheel Casters: Dual-wheel casters are made with two wheels assembled side-by-side and typically covered by a hood-like component to prevent clothing or other items from getting caught when the stool is in motion.

Footring: A footring is a chrome-finished or paint-finished ring found above the 5-prong base on drafting stools to support leaning postures by providing a place to rest feet and shoes while engaged in work or projects.

Glides: Glides are stationary chair-leg components that protect floors from scuffs and scratches. Glides may adjust to reduce wobbling on uneven floors.

Hooded Double Wheel Casters: Hooded double wheel casters are casters made with two wheels for balancing the weight of the chair and user, with a hood covering the casters to prevent clothing from getting caught in the moving wheels.

Loop Arms: Loop arms are stationary, non-adjusting armrests with a loop-style shape that is open in the center.

Non-Marring Floor Glides: Non-marring floor glides are protective chair leg pieces that prevent scratches or damage to floors from movement and use.

One-Piece Chair Shell: A one-piece chair shell is a seat with backrest combined in a single, usually molded plastic, piece. The chair shell can have a back cutout vent and curved or contoured shaping for ergonomic support and sitting comfort.

Padded Back: Padded back indicates the backrest component of the stool is upholstered with padding for comfortable support.

Padded Seat: Padded seat typically refers to upholstered stool seats that are padded for cushioned support and comfort.

Set-Back Arms: Set-back arms are armrests positioned as subtle extensions off the backrest frame, as opposed to the traditional armrests positioned at the left and right of the seat.

Swivel Seat: Swivel seat refers to a stool seat that rotates 360° on the frame in either direction for comfort and active work support.

Square-Frame Footring: A square-frame footring is a supportive frame component used to reinforce the four-leg assembly of a stool and provide footring support for resting feet and shoes while leaning over work or projects.

Square Seat Design: Square seat design refers to stools with square-shaped seats, with and without backrests.

Teardrop Foot Rest: The teardrop footrest is a metal attachment found at the front of select task or drafting chairs, with a curved step-like bend at the bottom to provide space for resting feet during work.

5-Prong Base: A 5-prong base is a star-shaped support element for mobile stools and chairs with five, evenly spaced extensions that connect to the casters for mobility. The star-shape helps stabilize the chair when in use.

20”-Diameter Footring: A 20”-diameter footring is a footring measuring 20” across, offering a spacious frame element for resting feet to support leaning postures during work.

23” Steel 5-Prong Base: The 23” steel 5-prong base refers to select mobile chair frames with steel base designed to resemble traditional 5-prong bases and set on casters for mobility. The steel is usually finished with chrome or paint.

25” Black Nylon Base: Science lab stools with 25” black nylon base have a 5-prong plastic style base set on casters for mobility, with 25”-diameter for balance and safe use.

Construction Materials

Antibacterial / Antimicrobial Vinyl Upholstery: Antibacterial / antimicrobial vinyl upholstery is vinyl upholstery treated or coated to resist the growth of germs and bacteria. The vinyl is easy to clean and maintain.

Backside Resin Shell: Backside resin shell refers to the use of a plastic shell at the back of the chair components to reduce damage from impact with walls or other furniture.

Black Polyurethane: Black polyurethane is a plastic design used to manufacture many chair bases and armrests. The durable plastic resists damage for lasting use.

Blow-Molded Design: Blow-molded design indicates the plastic chair components are made using molten plastic that is forced into the mold using air to ensure no bubbles or weak spots develop in the production of the seating elements.

Catalyzed Lacquer: Catalyzed lacquer is a topcoat finish made with a lacquer application followed by the application of the catalyst to form a protective, clear coating.

Chrome Finish: Chrome finish refers to shiny chrome plating used to finish various steel and metal components on select science lab stools.

Clear Lacquer Finish: Clear lacquer finish is a durable topcoat used to protect wood and other stool components for lasting appearance and use.

Eco-Leather: Is leather made using up to 20% of recycled leather. The recycled leather is made when a mix of cut scrap leather materials are glued together using catalyzers and resin. The end product has a polished appearance without any further need for finishing.

Environmentally Friendly Powder-Coat Finish: Environmentally friendly powder-coat finish is a “green” feature using powdered paint applied to steel or other metal components. The paint is cured to form a durable, scratch-resistant finish that protects the metal from exposure and use.

Fabric Upholstery: Fabric upholstery indicates the stool contains upholstered seat and/or backrest with fabric. The fabrics are often acrylic or polyester, but vary with the stool model and furniture collection.

Foam Cushion: Foam cushion indicates the seat is padded with a custom-cut foam cushion then upholstered for comfort and style.

Four Spot-Welds: Stools listed as having four spot-welds are typically referring to welding placed at four points where the footring or reinforcing chair rung is welded to the legs of the frame.

Hardboard Seat: A hardboard seat is a stool seat made with Masonite hardboard; a thin, durable panel composed of wood chips and/or paper products that are compressed using steam and air pressure.

Hard Plastic Seat and Back: Stools made with a hard plastic seat and back are designed with separate seat and back components made of solid, usually molded, plastic.

Hardwood Seat: Hardwood seat describes stool seats composed of a shaped and smoothed piece of solid wood, stained and finished for lasting appearance and use.

Structural Ribs: Structural ribs are reinforcing internal structures made within the molded seat and/or backrest for greater durability and strength.

Laminate Finish: Laminate finish is a durable, damage-resistant finishing process applied in layers with heat and pressure to yield a scratch-resistant, heat-resistant, stain-resistant finish in a virtually unlimited selection of colors and styles that vary with stool design.

Laminate Seat: Laminate seat refers to a science lab stool seat design finished in high-pressure laminate for durable, easy-clean, lasting style.

LeatherPlus Upholstery: LeatherPlus Upholstery is enhanced leather upholstery that has been infused with other materials to increase strength and softness.

Lotz Armor Edge: Lotz armor edge is an adhesive edge finishing method that seals and protects the raw edges of core panels for lasting edge finish.

Masonite Hardboard Seat: Masonite hardboard seat describes a stools eat made with Masonite hardboard, composed of wood chips and/or paper, compressed with steam and air pressure to form a thin, durable board panel.

Mesh Back Design: Mesh back design refers to science lab stools and seating with a framed backrest featuring a breathable mesh panel.

Metal Backrest Frame: Metal backrest frame describes the design on select stools and chairs using a metal frame to shape and support the backrest, such as the mesh back chairs with metal frame.

Radius Edges: Radius edges are edges of a seat or other furniture component that have been smoothed and rounded for comfort and safety.

Reinforced Seat Shell: Reinforced seat shell typically indicates the use of an internal ribbing structure with molded plastic chair designs for reinforced strength.

Riveted Seat: Riveted seat describes stool seats with visible bolt heads securing the seat to the frame.

No Rivets: No rivets indicates the stool is assembled with seat rivets or connectors concealed for a smooth seat appearance.

Vinyl Upholstery: Vinyl upholstery indicates the stool is upholstered with durable vinyl, offering an easy wipe-clean finish. Many vinyl upholstery options are also treated to resist germs and bacteria for antibacterial, antimicrobial support.

Welded Seams: Welded seams indicate that connection joints or seams of conjoined steel components are welded by the manufacturer for a reliable assembled frame.

Welded Steel Frame: Welded steel frame indicates the frame of the stool is made of steel and welded by the manufacturer for a lasting, permanent assembly.

100% Acrylic Teflon-Coated Fabric: Fabric that is listed as 100% acrylic with Teflon coating is a durable upholstery that resists stains for lasting appearance.


Adjustable Backrest Angle: Adjustable backrest angle indicates the backrest can be angled to increase contact with spine for more natural feeling support.

Adjustable Seat Angle: Adjustable seat angle refers to the ability to angle the seat for improved foot-to-floor contact, posture support, and personalized feel.

Adjustable Tilt: Adjustable tilt indicates the seat, and possibly the backrest depending on the design, can tilt forward or back for comfort. Many tilt control options include locking tilt to maintain the angled position.

ANSI/BIFMA: Quality design, construction, and safety features in science lab stools are often verified as being in compliance with standards set and verified by the American National Standards Institute (ANSI) and the Business and Industrial Furniture Manufacturers Association (BIFMA).

Easy Clean Design: Easy clean design generally indicates the stool can be wiped clean for hassle-free maintenance. Plastic stools and vinyl stools are typically listed as being easy to clean.

Ergonomic Adjustable Features: Ergonomic adjustable features include a variety of customizable comfort settings found throughout the science lab stool collections including adjustable seat-height, adjustable backrest-height, adjustable seat and back angles, adjustable armrests, tilt and tilt lock controls, and other settings.

Green Features: Green features encompass a variety of design and production approaches that are environmentally friendly, such as the use of recycled materials or the use of eco-friendly finishes and paints.

Includes 2 Height Ranges: Includes 2 height ranges means the stool has all components needed to assembly with the standard height or the taller drafting stool-height, as desired.

ISO: Science lab stools that meet the necessary quality and safety standards of the International Organization of Standardization are listed with an ISO logo.

Lumbar Relief Vent: Lumbar relief vent is a cutout or vent found in the lower-back portion of many stools and chairs, providing a better shape for the backrest and chair shell to reduce pressure on the lower back and improve sitting use.

Manual Seat-Height Adjustment: Manual seat-height adjustment refers to the adjustable seats with seat assembly that spins or screws to increase height or decrease height depending on the direction.

Optional Armrests: Optional armrests are arms offered as optional enhancements to add to a given chair or stool as desired.

Pneumatic Height Adjustment: Pneumatic height adjustment refers to the integrated compressed air mechanism that controls the seat-height with the touch of a convenient lever or similar component.

Polypropylene: Polypropylene is a durable plastic polymer used in the manufacture of many stools and seating elements. The plastic is impact-resistant and often designed with a textured surface to reduce slipping for greater comfort.

Ring Gas Lift Control: Ring gas lift control refers to an under-seat ring, in place of a lever, that adjusts the seat-height by activating the gas lift mechanism contained within the chair.

Slip-Resistant Seat and Back Design: Slip-resistant seat and back design generally indicates the use of a textured surface and blow-molded plastic to form the seat and backrest or one-piece chair shell.

Static-Free Design: State-free design describes plastic chair shells and components made to resist static build-up for greater safety in science lab and classroom settings.

Synchronized Seat and Back Angles: Synchronized seat and back angles indicates the stool or chair provides adjustable angles for the seat and backrest with the two components adjusting together for faster customizing.

UL-Listed, UL-Certified, UL Greenguard: UL listed, UL certified, and UL Greenguard refer to verifications from Underwriters Laboratories that the science lab stool meets specifications for quality, safety, and/or environmental friendliness based on standards set by the Underwriters Laboratories.

Under-Seat Lever: Under-seat lever refers to a touch-activated lever found underneath most adjustable-height science lab stools that engages the pneumatic lift mechanism to control seat height positioning.

Weight Capacity: Indicated weight capacity provides the maximum amount of weight a single chair or stool can support at one time. Exceeding the weight capacity can result in damage to the furniture product, injury to the user, and void the warranty.

360° Swivel: Stools with 360° swivel have seats assembled to the frame that can spin completely around in either direction.

Anatomy / Clinic Chair
Anatomy / Clinic Chair

Drafting Stool
Drafting Stool

Multifunction Drafting Stool
Multifunction Drafting Stool


Attached Floor Glides
Attached Floor Glides

One-Piece Chair Shell
One-Piece Chair Shell

Set-Back Arms
Set-Back Arms

Square Seat Design
Square Seat Design

Hardwood Seat
Hardwood Seat

Riveted Seat
Riveted Seat

Lumbar Relief Vent
Lumbar Relief Vent

Ring Gas Lift Control
Ring Gas Lift Control