Twin Whole House Water Filter Cartridges 20 inch x 4.5 inch 5 Micron – 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 5 micron poly spun pre filter and 1 x 5 micron CTO Matrikx coconut carbon filter. 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.