Nature2 Fusion/DuoClear 35K Replacement Cartridge - 4 Pack pool-dimensions_18x38 K-1766 tests for Chloride in

K-1766 tests for Chloride in Salt Water pools using drop test and Argentometric reagent

This Warning Sharp Coral Can Cause Serious Injury Avoid Contact With Graphic Sign measures 12 x 18 inches

Diameter is 9 inches

This is a universal 18

All the Funbrellas are manufactured with stainless steel hardware

Nature2 Fusion/DuoClear 35K Replacement Cartridge - 4 Pack pool-dimensions_18x38 K-1766 tests for Chloride inThis Nature2 35K replacement filter cartridge, in a package of 4 cartridges, is used on the Fusion Duoclear filters. The Nature2 Fusion Duoclear cartridge (4 pack) can be used on either the Duoclear or Fusion filters for pools up to 35,000 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