Nature2 Fusion/Duoclear 25K Replacement Cartridge - Single pool-dimensions_20x45 This is a Schedule 80

This is a Schedule 80 Blind Flange for 2-1/2 inch pipe

thereby assuring constant Free Chlorine levels at all times

The Signet 9900 Transmitter is offered in both panel or field mount versions

These spa skimmers can be placed in a wall as thin as 6 inches

Nature2 Fusion/Duoclear 25K Replacement Cartridge - Single pool-dimensions_20x45 This is a Schedule 80This 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