The Acryzen 6636 R is a rectangular center drain Zen bath featuring dual reclining ends. You can acquire this bath with or without integral arm rests and with a 4" or 1 7/8" reveal. The deck is 4" wide to allow deck mounting of faucets. The bottom of the bath measures 20 1/4 wide with armrests (or 21" wide without arm rests) by 40" long allowing for both large and small persons to be comfortable as they bathe. This bath can be dropped in or under mounted.