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: PVCColor: BluePool Wall Plug Size:Internal diameter: 1.1inchesExternal diameter: 2.3 inchesHeight: 1.6inchesPackage Includes: 4 x Pool Filter Pump Strainer Hole PlugWarm tips:1. Please check the size of your original pool hose within 1.25" before purchasing.2. Pump models 530/1000 gph or smaller.