Nature 2 Express replacement cartridge is a light blue cylinder with a 1.5" male threaded bottom and a smoke colored clear cap. This unit is to be installed in existing Nature 2 Express devices. This is a mineral sanitizing supplement that utilizes copper and silver to help reduce chlorine useage.

NAT2-20092 - NATURE 2 EXPRESS REPLACEMENT CARTRIDGE

$159.99 
SKU: NAT2-20092
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The Nature2 Express Replacement Mineral Cartridge is designed to eliminate water contaminants reducing the amount of chlorine traditionally used in pools.
  • For pools up to 25,000 gallons
  • Cartridge lasts 6 months
  • Designed to fit Express Inground and Express Above Ground units (W20171 and W20080)
  • Lowers chlorine consumption by up to 50%