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Pre-Filter Cartridges

2.5" x 20" Carbon Block Filter - 5 Micron

SKU PW-FLT-CB20
$29.70incl. GST
In stock · ready to ship

Premium 5 micron carbon block pre-filter in the 20" length, with double the media of a 10" for longer life between changes. It removes chlorine, sediment and fine particles ahead of your RO membrane or DI resin.

  • Size: 2.5" x 20" (standard slimline)
  • Media: carbon block
  • Rating: 5 micron
  • Fits: standard 20" x 2.5" housings, including our 2.5" x 20" Clear Filter Housing (PW-HSG-2025C)

Why it matters: chlorine damages RO membranes, so change this filter regularly, and sooner if you notice the flow dropping off.