Changing your PHP18 pool filter cartridge on a regular basis may be necessary to maintain a swimming pool with clear, clean, sparkling and balanced water. If the pool filter cartridge becomes too worn and difficult to clean, it is time to replace. Look for tears, wear, wore out media every time you clean the cartridge and replace as needed.
15 sq. ft. | 4-1/4 in. x 18 in. | Top & Bottom End Cap (Inside Diameter) 2 in. SOLD AS 3 PACK
Note: It is standard for measurements to vary by as much as 1/8 in.
php18, php-18, php 18, pleatco php18, pleatco php 18, pleatco php-18, filbur fc 3758, filbur fc3758, filbur fc-3758, unicel c 4604, unicel c4604, unicel c-4604, c4604, c-4604, c 4604, fc3758, fc-3758, fc 3758, 1370031