Product Specifications: Length: 28.27 in. Outer Diameter: 8.9 in. Inlet/Outlet Diameter: 4 in (approx. 10.1 cm). Filtration Area: 1 x 175 sq. ft. Filter Material: Triloble high-efficiency filtration fiber.

Compatible Replacement Models: The HYPAP-150-4 pool water filter is compatible with the following models: Vevor HYP-175-4，Hayward C1750, Hayward CX1750RE, Pleatco PA175, Unicel C-8417, Filbur FC-1294. Note: This is a third-party compatible accessory. The listed brands and models are for reference only. VEVOR is an independent brand.

EPA Certification: This pool and spa filter cartridge are EPA certified. With 50-micron filtration precision, they effectively capture hair, leaves, dust, debris, and fine particles, ensuring clean and clear water.