Durable and leak-proof: This pool filter cover is made of high-quality plastic, with a smooth surface, good sealing, high reliability and a long service life. Item dimensions (L x W x H): 5.8 x 3.9 x 2.9 cm, please measure before purchasing. If you have any questions, please feel free to contact us. We will do our best to help you. Sufficient quantity: You will receive 10 replacement pool filter pumps, more stable to meet your needs and compatible with some pool brands. Range: The pool drain plugs are compatible with some pools without a piston valve, including models 28270, 28271, 28272, 28273, 26700, 26702 and others. Versatile: Suitable for pipes up to 2.9 cm in diameter. When cleaning the water pump filter element or replacing the filter pump, the plug can be used to effectively prevent discharge.