Nature 2 Professional G45 Replacement Cartridge
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Nature 2 W28145 Professional G45 Replacement Cartridge 35k-40k

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SKU #: W28145

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Short Description

Simply replace the Nature 2 mineral cartridge every six months for year-round water quality.

Alternative Sanitizer Features:

  • Ports: 3"
  • Weight: 3 lbs
  • Run Time: Six hours minimum
  • Capacity: 35,000 to 40,000 gallons
  • Dimensions: 13.75". x 4.63".
  • Cartridge lasts up to 6 months
  • Cartridge Flow Rate: 25-120 GPM (internal bypass)
  • Installation: after filter, before or after heater, and always before any chemical dispenser


The Nature 2 Professional G45 is an easy-to-install replacement cartridge designed for Nature 2 Professional G mineral sanitizing systems. These cartridges are designed for in-ground swimming pools from 35,000 to 40,000 gallons. Environmentally friendly and safe, best results are achieved when the system runs at a minimum of 6 hours every day. Each Nature 2 Professional G45 contains one replacement cartridge that will give you up to 6 months of sanitizing power and leave you with clearer, cleaner, softer water. Please Note: This Nature 2 Professional G45 Replacement Cartridge W28145 contains one replacement cartridge. This is a single unit cartridge for the Nature 2 Professional G45 Replacement Cartridge W26745 four pack. Limited Cartridges (three posts) fit in any vessels. Standard Cartridges (two posts) only fit in standard vessels.