Pleatco Filtration Power-Saw-Blades make sure to change your

make sure to change your 4-inch filter at least once every 12 months

Hooded vents offer maximum fog-free protection

- Noise Reduction Rating (NRR)*: 27dB

of pull force

Clear Lenses

Pleatco Filtration Power-Saw-Blades make sure to change yourPleatco PA50 EC Pool Filter Cartridge Replacement for Unicel: C 7656, Filbur: FC 1240, OEM Part Numbers: CX500 RE, R173409, 27 079, White Direct Pool Filter Cartridge Replacement for: C 7656, FC 1240, CX500 RE, R173409, 27 079. Also works with the following: Hayward Star Clear C500, Pentair Purex CF 50, open w molded gasket Specifications: DIAMETER: 7", 177. 8 mm, LENGTH: 19. 625", 501. 65 mm, TOP HOLE SIZE: 3", 76. 2 mm, BOTTOM HOLE SIZE: 3", 76. 2