Porta Potti 550P MSDPart #: 92856Features:Refreshed, modern appearanceCleaner seat and cover designMore-ergonomic carrying handleLid latch now standardRedesigned valve handle, fill cap and pumpSame industry-leading performanceFresh and waste-water tank sizesMSD version (not interchangeable with pour-out spout)Deodorant sample includedFresh Water Tank: 4.0 gallonsWaste Water Tank: 5.5 gallonsAverage Flushes: 56This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Owner’s Manual (pdf)