Manual Marine Toilet with Small Bowl and Standard Plastic Seat and Cover. New Angled Hand Pump Design for Easy Pumping. Bowl is made of high quality ceramic. Base, pump and seat is constructed of non-corrosive Marine Plastic. Fitting: Connection for 3/4" (19.5mm)ID inlet hose. 1-1/2" (37.8mm) ID discharge hose. Dimensions: LxWxH 16.73x18.11x13.6 inches (425x460x345mm)