, more Replace your old plunger valves or upgrade to the for intexplunger valves, makes changing hoses and pumps a Works with the for intex1500, 2500 and 4000 gallon per hour filtration pumps as well as the for intexsaltwater chlorinator and for intex2000 gallon per hour chlorinator combo Requires an For IntexPool with 1.5 " hose fittings to work properly Replacement hose adapter can preventsun, rain, snow, uv resistance