Convenient and practical, the Thetford Porta Potti Qube 165 Portable Toilet is a basic model with a large 21 litre waste tank and a 15 litre flush water tank. The modern design has improved seating for added comfort. The improved carrying handle and integrated pour-out spout make it easy to dispose of waste, and the integrated cover-lock makes it secure for travelling. The manual flush and bellow pump give you plenty of water with a minimum of ease.