Filters
8 items
Sort Featured
-
Aquarius Whole House Water Filter System – Triple Stage, Stainless Steel 20" x 4.5" -
Aquarius PFAS Whole House Triple System Stainless Steel Cover -
Fluoride PFAS Removal Whole House System + Stainless Steel Cover -
AquaCo Whole House Three Stage Water Filter System -
Whole House Water Filter System RO20 Pack -
Fluoride Removal Whole-House Triple Filtering System 20" x 4.5" -
Aquarius Whole-Home Triple Filtering System 20" x 4.5" -
Aquarius Whole-House Twin Filtering System 20" x 4.5"
Explore whole-house water filtration using the 20" x 4.5" cartridge format. Compare twin and triple-stage configurations, including selected fluoride and PFAS filter options, to find a setup that matches your water supply and household requirements.
Compare the complete system and its cartridges
Check the cartridge combination, rated flow, pressure limits and installation dimensions on each product page. Contaminant reduction depends on the filters fitted and their operating conditions, so choose the configuration for your specific water concerns.
For maintenance, browse 20" x 4.5" replacement filters. Need a smaller format? Compare our 10" x 4.5" whole-house systems, or view the full whole-house range.