Product Swimming Pool Plugs: you will get 4 Pack universal black pool filter pump hole plugs, compatible with INTEX above ground swimming pools, enough quantity for your daily use and replacement Multipurpose: this pump strainer hole plug stopper suitable for Intex, Bestway, Coleman, Summer Escape above ground swimming pools that do not have plunger valves, you can use them easily block the drain of the swimming pool Pool Plugs for Above Ground Pool: replacement pool parts for pump models 530/1000 gph or smaller, it is mainly used to replace the filters in the pumps, hold back the water while cleaning pump filter. Plugs are used in swimming pools with 1.25-inch (approximately 3.18 cm) diameter hoses that do not have plunger valves to block water when the filter is replaced. Package include:4 x Swimming Pool Wall Plugs Note: 1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm) Thanks for your support :)