Convaquip Model 3200 PR Bariatric Wheelchair Scale 1,000 lbs. Capacity with Dual Access Ramps Pack_size_15 Multi Ply Foam Construction: Three distinct Option:For Ambassador Lift Multi Ply Foam Construction: Three distinct layers of high density foam provide optimal immersion Attribute DNE 310 3TWL NC (18” Wide) DNE 385 3TWL HA NC (22” Wide) Internal Width 18″ 22″ External Width 21 1 2″ 25 1 2″ Seat Width 16 3 4″ 16 3 4″ Seat Depth 16 3 4″ 17″ Top of Seat to Below Backrest 4 1 2″ 6″ Top of Seat to Top of Arm 7″ 7″ Top of Seat to Top of Back 18 1 2″ 19″ Top of Seat To Floor Height 20 1 2″ 20 1 2″ Clearance Height 17″ 16 1 4″ Overall Height 39″ 38 1 2″ Flared Base Depth N A 3 1 2″ Overall Depth 20″ 20 1 2″ Weight Capacity 310 lbs 385 lbs Extended Product Information: The system features advanced Tare functionality