Nature2 Fusion/Duoclear 25K Replacement Cartridge - Single voltage_208-230/460V Three Phase and UL-certified

and UL-certified

This Minnesota Warning No Lifeguard On Duty Sign measures 18 x 24 inches

and provides a necessary hand grip for safe entry and exit on pool steps

They have excellent chemical and impact resistance for long dependable service

Pentair MasterTemp 125

Nature2 Fusion/Duoclear 25K Replacement Cartridge - Single voltage_208-230/460V Three Phase and UL-certifiedThis Nature2 25K replacement filter cartridge is used on the Fusion Duoclear filters. The Nature2 Fusion Duoclear cartridge can be used on either the Duoclear or Fusion filters for pools up to 25,000 gallons. Nature2's patented technology uses minerals to kill bacteria and control algae for up to six months. Nature2 mineral cartridges are environmentally friendly and produce sparkling clean pool water that is pure, fresh, and gently soothing with less