3 8" All Flo Softwash Kit: 300' 1 2" Blue Flex Tech RT Regulator, JROD, Air Hose NON INSULATED YU2158 unloader S REPARI KIT YU2158 unloader S Your All Flo double diaphragm pump is warranted to the original user against defects in workmanship or materials under normal use (rental use excluded) for five years after purchase date Viton diaphragms are not the best choice because of the following reasons according to All Flo: Santoprene and other thermal plastic elastomers (TPE) will have a very long flex life due to the nature of the material Never use garden hose fittings on the suction side of any pump as they allow air to siphon into your suction side of the pump