Cartridges are produced with genuine Reemay filter media and durable polyurethane end caps. Prevents harmful bacteria from growing on the cartridge. Less bacteria results in a reduction of foul odors, algae, black mold and other harmful contaminants which foul a cartridge. Antimicrobial protection lasts as long as the cartridge itself. Easier to clean than any other filter. 100 percent polyester core for strength and durability.

Out of stock


  • High performance pleated polyester media
  • Reinforced antimicrobial end caps
  • Extruded PVC center cores
  • Break resistant bands
  • Molded in threads, no loose inserts

Diameter 4 5/8″ Length 11 7/8″ Top Hole 3″ Open Bottom Hole 3″ Open

Filter Cartridge Hayward C225 25 square feet Replaces Unicel C-4325, Hayward CX225-RE

Additional information

Weight 3 lbs
Dimensions 10.25 × 5 × 12 in