Features:- This product for above Ground Swimming Pool Filter Pump Strainer Hole Plug Stopper for INTEX, BestWay and Coleman Pool Pump.- Replacement pool parts for pump models 530/1000 gph or smaller. These plugs are used for pool that take 1.25" diameter hoses that do not have plunger valves to stop the water during filter change. - It is mainly used to replace the filters in the pumps, effectively hold back the water while cleaning pump filter. Specification: Material: PVC Color: Blue Pool Wall Plug Size:Internal diameter: 1.1inches External diameter: 2.13 inches Height: 1.06inches Package Includes: 4 x Pool Filter Pump Strainer Hole Plug Warm tips:1. Please check the size of your original pool hose within 1.25" before purchasing.