Replacement Filters

The 10" pH filter can be used to replace current filters or upgrade from existing filters. The calcite media enables the filter to neutralize acid to a more neutral level and adds beneficial minerals in the process. The filter measures 2.5-inch in...

Inline Post Filter Inline post filter with 3/8" quick connect fittings Fits Merlin and Pentair PRF systems Measures 10" x 2 3/4" The post filter on the GE Merlin and Pentair PRF reverse osmosis systems should be changed every 6-12 months to give...

The Big Blue 10" GAC filter can be used to replace a current filter or upgrade from the standard carbon block filter. The filter measures 4.5-inch in diameter and 10-inch long and fits all standard 10-inch Big Blue housings. Product...

This filter set is designed for the Mikro Epsilon portable RO system. The inline filters work with most reverse osmosis systems available as well, and includes an inline GAC filter and an inline Calcite pH filter, both with 1/4" quick-connect fittings...

The 20" GAC filter can be used to replace a current filter or upgrade from the carbon block filter. The filter measures 2.5-inch in diameter and 20-inch long and fits all standard 20-inch housings. Product Features GAC Granular activated...

Earth friendly green carbon filter manufactured through a process requiring less energy than standard carbon filters Product Features Green Carbon Block Manufactured process uses reduced heat and byproduct recycling for an earth friendly...

The 20" pH filter contains calcite that dissolves slowly in water to neutralize acid. It also contains GAC for optimal flow and treatment of tastes and odors. Product Features pH Filter This filter is designed to treat low pH levels found in...

Replacement granulated activated carbon (GAC) filter cartridge. This filter is used on Nelsen Twist Loc RO systems. This would replacement the carbon block pre-filter on your system. 

Twist-Loc Alkalinity replacement filter cartridge. This is used in Nelsen Twist Loc RO systems. You can add this filter onto your system to achieve alkaline water and raise your pH level of your drinking water. This filter would be installed after the...

This filter set is designed for the Mikro Epsilon portable RO system. The inline filters work with most reverse osmosis systems available as well, and includes an inline GAC filter and an inline Calcite pH filter, both with 1/4" quick-connect fittings...

Earth friendly green carbon filter manufactured through a process requiring less energy than standard carbon filters Product Features Green Carbon Block Manufactured process uses reduced heat and byproduct recycling for an earth friendly...