Intex Large Strainer Replacement Part Inclduing Washer and Nut | 11236 Includes: (1) Intex Large Pool Inlet Strainer Unit Replace your Intex 18' and larger Pool Strainers, requires 1.5" inside diameter hoses to use Each unit includes: (1) strainer grid, (1) strainer body, (1) retaining nut and (1) rubber gasket 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 and Sand Filters