APPLICATIONS: Our Pool Filter Pump Plugs are ideal for 28270, 28271, 28272, 28273, 26700, 26702 Above Ground Pools. USES: Pool Wall Plugs are used to replace the filter pump, and hold back the water while cleaning pump filter. SIZE: Our Swimming Pool Plugs are 2.36" outside diameter and 0.98" inside diameter for pool hoses without a plunger valve, please pay attention to the size. PVC MATERIAL: These replacement filter hose hole plugs are made of durable PVC material with good sealing properties, light weight and strong durability. EASY TO INSTALL: When cleaning the pump filter, plug the pool wall holes with hole plugs to prevent water from overflowing, easy to install. Specification: Material: PVC Size Chart: Bottom Diameter: 2.36inch Top Diameter: 1.14inch Height: 1.56inch Aperture: 0.98inch Package Includes: Optional: 1 Piece: 1x Pool Wall Plugs 2 Pieces: 2x Pool Wall Plugs Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping