Verdict Designed with elevated riser seat and water-efficient flush valves, the 20-inch Extra Tall Toilet is the best overall 2-piece low flow toilet that will make life easier for many years to come.

Best Overall: Aqua-Magic V RV Toilet Pedal Flush /High Profile / Parchment - Thetford 31672 Best For The Physically Handicapped: WoodBridge T-0001, Dual Flush Elongated One Piece Toilet with Soft ...