Replacement Filter Kits
Now offering yearly filter replacement subscriptions!
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2 Stage Big Blue Filter Kit 4.5" x 20" pH and KDF 55
$169.00Replacement or upgrade for standard Big Blue systems pH filter KDF 55 filter Standard 4.5-inch x 20-inch filters Replacement Big Blue filters. The pH filter is calcite based and neutralizes acid (ph <7) in the water. The KDF 55 filter is...RFK2-4520-PH55$169.00 -
3 Stage Big Blue Filter Kit 4.5" x 20" Sediment, pH, and KDF 55
$199.00Replacement or upgrade for standard Big Blue systems Sediment filter pH filter KDF 55 filter Standard 4.5-inch x 20-inch filters Replacement Big Blue filters. Sediment filter removes a wide range of dirt and particulate, increasing water clarity...RFK3-4520-SDPH55$199.00 -
Twist Loc Replacement Filter Kit for Nelsen Reverse Osmosis System - 2 Sets of Replacements
$179.00Quick Change Twist & Loc RO Replacement Filter Kit - Includes two (2) TWIST-SEDIMENT and four (4) TWIST-CARBON cartridges. This will give you a total of TWO replacements for each filter.Twist-Annual$179.00