The Johnson Pump AquaT Manual Marine Toilet is a remarkably well-designed compact marine toilet that's made from white vitreous porcelain china, with corrosion-resistant components throughout. Whisper-quiet, hygienic, and easy-to-clean, the Johnson Pump AquaT incorporates an ergonomic, hand-powered piston pump that can be mounted for either left-handed or right-handed use. Features a robust wooden seat with durable baked enamel finish. May be installed above or below the waterline. Self-priming. Low water consumption (2-2.5 liters per flush) makes the most of the holding tank's capacity. Automatic backflow prevention. CE-approved. 16-3/4"D x 17-3/4"W x 18-1/8"H.