Mor Medical 5 in 1 Shower Chair Patented Hygienic Design, 310 Capacity Type_Classic Retro Rope Compatibility: Compatible with most standard Buoyant Design The economy Compatibility: Compatible with most standard rigid rescue litters and stretchers Reinforced Construction: Utilizes heavy duty fabric and a robust frame to ensure safe patient weight distribution during manual transport and infection control 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