Get a complete freshwater toilet and holding tank system in one self-contained package with the Dometic 711-M28 Toilet. Using an onboard water supply, this toilet system avoids the foul odors associated with seawater systems. This standard-height model offers an efficient flush to save water, plus a durable ceramic toilet bowl and high-strength polyethylene tank capable of many years of use. It's also a great replacement for recirculating toilets. Just connect the water supply, discharge plumbing and vent line and it's ready to go!