The Reliance Portable Toilet Model 1020T has a 2.5 gal/10L fresh water tank and a 5 gal/20L holding tank. Features a comfortable seat height (standard toilet seat height of 17) and a tubular manual flush nozzle. Innovative flush nozzle directs water around whole bowl to ensure efficient draining of waste. A high injection piston pump provides even greater flushing efficiency (and is replaceable). The waste holding tank includes an exhaust valve and waste level indicator. The toilet has a 325 lbs weight capacity. Dimensions 16.5 x 16 x 17 and 12lbs.