331 Foot Operated Stool

Blue, foot operated, hydraulic pump oral surgery chair stool MTI 331 Series.

Home / Products

331 Foot Operated Stool

The 331 Foot Operated Hydraulic Pump Stool with Twin Surgery Arms and Backrest is MTI’s premier line of foot-operated hydraulic seating. This stool offers an adjustable ergonomic backrest and vertically adjustable arms, which swing inward and outward. The smooth foot-operated hydraulic pump provides up and down adjustments of the seat height from 20.5”-28” (52-71 cm) without ever getting off the stool. This adjustment helps provide sterile and precise positioning to your most comfortable working position. Single wheel hard rubber casters make it easy to maneuver quietly over all types of surfaces without damaging or marring the floor. Treat yourself to a soft and supportive seat with MTI’s premium line of seating.

Control: manual hydraulic foot pump
Base: dark gray metal
Backrest: ergonomic back w/twin arms
Width: 16.5”
Height: 20.5-28”
Upholstery: smooth
Weight Capacity: 325 lbs.
5 Casters: hard rubber
Accessories: multiple options (see details below)

Contact a Sales Rep Book a Demo

Weight Capacity: 325 lbs.
Height: 20.5 - 28"
Base Options: Dark Gray Metal
Seat Diameter: 16.5"
Actuation Style: Foot Actuated
Actuation Type: Hydraulic Lift
Backrest: Ergonomic Back w/Twin Arms

Blue Ridge

Our Premium upholstery is a seamless upholstery style which is an easy to clean, durable and reliable solution.
Diplomat Blue

Our Ultraleather upholstery is PVC-free and made from a soft-touch material with high-strength fibers. It is thoughtfully crafted for a more luxurious feel, combining elegance with durability.
Midnight Blue

Our Premium upholstery is a seamless upholstery style which is an easy to clean, durable and reliable solution.
Arctic

Our Ultraleather upholstery is PVC-free and made from a soft-touch material with high-strength fibers. It is thoughtfully crafted for a more luxurious feel, combining elegance with durability.
Taupe

Our Premium upholstery is a seamless upholstery style which is an easy to clean, durable and reliable solution.
Beach

Our Premium upholstery is a seamless upholstery style which is an easy to clean, durable and reliable solution.
Buff

Our Ultraleather upholstery is PVC-free and made from a soft-touch material with high-strength fibers. It is thoughtfully crafted for a more luxurious feel, combining elegance with durability.
Papyrus

Our Ultraleather upholstery is PVC-free and made from a soft-touch material with high-strength fibers. It is thoughtfully crafted for a more luxurious feel, combining elegance with durability.
Pine Cone

Our Ultraleather upholstery is PVC-free and made from a soft-touch material with high-strength fibers. It is thoughtfully crafted for a more luxurious feel, combining elegance with durability.
Gunmetal

Our Premium upholstery is a seamless upholstery style which is an easy to clean, durable and reliable solution.
Laramie

Our Premium upholstery is a seamless upholstery style which is an easy to clean, durable and reliable solution.
Walnut

Our Ultraleather upholstery is PVC-free and made from a soft-touch material with high-strength fibers. It is thoughtfully crafted for a more luxurious feel, combining elegance with durability.
Mocha

Our Premium upholstery is a seamless upholstery style which is an easy to clean, durable and reliable solution.
Silver Pearl

Our Ultraleather upholstery is PVC-free and made from a soft-touch material with high-strength fibers. It is thoughtfully crafted for a more luxurious feel, combining elegance with durability.
Dove Grey

Our Ultraleather upholstery is PVC-free and made from a soft-touch material with high-strength fibers. It is thoughtfully crafted for a more luxurious feel, combining elegance with durability.
Dove

Our Premium upholstery is a seamless upholstery style which is an easy to clean, durable and reliable solution.
Slate

Our Premium upholstery is a seamless upholstery style which is an easy to clean, durable and reliable solution.
Schooner

Our Ultraleather upholstery is PVC-free and made from a soft-touch material with high-strength fibers. It is thoughtfully crafted for a more luxurious feel, combining elegance with durability.
Raven Wing

Our Ultraleather upholstery is PVC-free and made from a soft-touch material with high-strength fibers. It is thoughtfully crafted for a more luxurious feel, combining elegance with durability.
Black

Our Premium upholstery is a seamless upholstery style which is an easy to clean, durable and reliable solution.
Port

Our Premium upholstery is a seamless upholstery style which is an easy to clean, durable and reliable solution.
Chianti

Our Ultraleather upholstery is PVC-free and made from a soft-touch material with high-strength fibers. It is thoughtfully crafted for a more luxurious feel, combining elegance with durability.
Burgundy

Our Premium upholstery is a seamless upholstery style which is an easy to clean, durable and reliable solution.
Garnet

Our Ultraleather upholstery is PVC-free and made from a soft-touch material with high-strength fibers. It is thoughtfully crafted for a more luxurious feel, combining elegance with durability.
Pine Forest

Our Premium upholstery is a seamless upholstery style which is an easy to clean, durable and reliable solution.

Floor Lock

Optional Floor Lock for the Hydraulic Series Stools provides for a cantilevered lock mechanism to stabilize the stool during procedures and surgeries.
Locking Casters

Locking rubber casters make it easy to maneuver quietly and smoothly over all types of surfaces.
Stationary Glides

If you don't need to roll your chair from one location to another and want the chair not to roll around, choose the glides as your option.

Fire Barrier (CAL-133)

MTI's TB133 option meets the California Technical Bulletin #133 (CAL-133) for flammability testing for seating furniture for use in public occupancies. MTI achieves compliance without the use of flame retardants. This option can be added to any upholstered item containing foam.