Durable and compact, Porta Potti 135 portable toilet makes an ideal companion whenever you're on the road. Works in RVs, trucks, vans or even when you're out camping, offering the comfort of a fully functional toilet. 135 model uses a bellows pump for flushing and comes with removable seat and cover for easy cleaning. The portable toilet has two holding tanks: a 2. 6 gallons (9. 8l) fresh water tank and a 2. 6 gallons (9. 8l) wastewater holding tank. The freshwater tank ensures an average of 27 flushes, with a full tank. The wastewater holding tank comes with a sealed valve, which prevents odors from escaping, and the exclusive Pour-Out Spout, which ensures there's no backsplash during the emptying process. The portable toilet has white top and bottom with a grey middle-band and has the following dimensions: H: 15. 12 in (38. 4 cm) - from top to bottom - lid closed, L: 13. 54 in (34. 4 cm) - from front to back, W: 12. 13 in (30. 8 cm) - from side to side. Caution: Do not use stiff brushes or homemade products to clean or lubricate the valve and seal of your portable toilet, as these will damage the seals and surfaces, causing odors to escape from holding tanks