Includes: (1) Intex Large Pool Plunger Valve Assembly * Requires an Intex Pool with 1.5" hose fittings to work properly * Works with the Intex 1500, 2500 and 4000 gallon per hour filtration pumps as well as the Intex Saltwater Chlorinator and Intex 2000 gallon per hour Chlorinator Pump Combo. * Replace your old plunger valve(s) or upgrade to the Intex Plunger Valve system, makes changing hoses and pumps a breeze!