These plugs are suitable for 1.14 inch diameter hoses and drains,No plunger valve, It is used you can use the plugs to effectively prevent drainage when cleaning the filter core of the pump or replacing the filter pump. When your Pool Plug Stopper is lost or broken, you need to replace it to keep the water in your pool at a comfortable level. This Ground Swimming Pool Filter Pump Strainer Hole Plug can be used to block the drainage outlet with good sealing, so that you can enjoy the fun of swimming at ease. part for Pump models 28270, 28271, 28272, 28273, 26700, 26702 530/1000 gph or smaller. pool skimmer plug Made of Durable Plastic This Swimming Pool Strainer Hole Plug is made of high quality rubber, which provides safety, softness, durability and flexibility. It seals well because of its good compressibility. Universal Strainer Filter screen Hole Plug for intex above ground swimming pool filter pump - 4 Pac PROFESSIONAL DESIGN The inside diameter of the hole is 1.14", inside diameter is 2.13", height is 1.14". HIGH QUALITY Made of high quality rubber, which provides safety, softness, durability and flexibility. Material: Rubber Color: Black Package Includes: 4 x Swimming pool plugs