Twin Whole House Water Filter Cartridges 20 inch x 4.5 inch – Ideal for mains water supplies.
Twin Replacement water filter cartridges for big white or big blue 20 inch x 4.5 inch housings. 1 x 1 micron poly spun pre filter and 1 x 0.6 micron CTO + 1 Matrikx carbon filter USA made. Quality 20″ x 4.5″ filter cartridges. This combination will remove and reduce dirt and sediment, colour, chlorine, herbicides, pesticides, foreign organic compounds, VOC’s, bad taste and odours etc. 20 inch x 4.5 inch whole house filter cartridges.