Mor Medical 5 in 1 Shower Chair, 18" 26" Seat Width, 310 Capacity Size Options:18" Wide Seat Nylon top cover is fluid resistant Type_ Dip Quick Eosin Nylon top cover is fluid resistant Kemp USA Spine Board Mounting Bracket: Secure Off the Floor Wall Storage Solution for Institutional For hygiene and safety reasons Attribute DNE 310 3TWL FF (18” Wide) DNE 385 3TWL FF (22” Wide) DNE 435 4TWL FF (26” Wide) Internal Width 18″ 22" 26" External Width 21″ 25 1 2" 29 1 4" Seat Width 16 3 4″ 16 3 4" 22" Seat Depth 17″ 17" 17" Top of Seat to Below Backrest 6″ 6" 5 1 2" Top of Seat to Top of Arm 7″ 7" 7" Top of Seat to Top of Back 19″ 19" 19" Top of Seat To Floor Height 20 1 2″ 20 1 2" 21 1 2" Clearance Height 16 1 4″ 16 1 4" 17 1 4" Overall Height 38 1 2″ 38 1 2" 39 1 2" Flared Base Depth 3 1 2″ 3 1 2" 3 1 2" Overall Depth 20 1 2″ 20 1 2" 20 1 2" Weight Capacity 310 lbs