20" Replacment Filter Pack
This three pack is the PRE-FILTER pack for our Pump Driven 300 GPD Commercial RO system. We ask you to change your pre-filters at least annually: (1) String Wound Sediment 20" and (2) Acid washed Coconut Carbon block 5 micron 20".
Upgrade one carbon block to a refillable catalytic carbon cartridge for $10.00 more.