Standard 35 GPD Filmtec membrane (replaces MTFC50) Product Features Filmtec The most trusted brand in reverse osmosis membranes Replaces MTFC35 Identical product, updated part number TFC Thin film composite - superior rejection and flow rates,...

Standard 50 GPD Filmtec membrane (replaces MTFC50) Product Features Filmtec The most trusted brand in reverse osmosis membranes Replaces MTFC50 Identical product, updated part number TFC Thin film composite - superior rejection and flow...

Filter set fits RO/DI Deluxe systems. Includes sediment, carbon, and 2 full size DI filters. Product Features Replaces UDIFK-2 Identical product, updated part number 10" 1µ Sediment 1 micron sediment filter for particulates 10" Carbon...

Filter set fits RO/DI ReefMaster systems. Includes sediment, carbon, full size DI, and inline DI filter. Product Features Replaces RFDIFK Identical product, updated part number 10" 1µ Sediment 1 micron sediment filter for...

Improved filter set fits standard 5-stage drinking water RO systems. Includes 1 micron sediment, 1 micron carbon, GAC/KDF, and inline post filter. Product Features Replaces ROFK5-AC Identical product, updated part number 10" 1µ...

Filter set fits RO/DI combo systems. Includes sediment, carbon, full size DI, and inline post filter. Product Features Replaces RODIFK Identical product, updated part number 10" 1µ Sediment 1 micron sediment filter for...

Filter set fits standard 7-stage DI+pH drinking water RO systems. Includes sediment, carbon, GAC, inline DI, inline pH and inline post filter. Product Features Replaces ROFK8 Identical product, updated part number 10" 5µ Sediment 5...

Filter set fits standard 6-stage DI drinking water RO systems. Includes sediment, carbon, GAC, inline DI, and inline post filter. Product Features Replaces ROFK7 Identical product, updated part number 10" 5µ Sediment 5 micron sediment...

Filter set fits standard 6-stage pH drinking water RO systems. Includes sediment, carbon, GAC, inline pH and inline post filter. Product Features Replaces ROFK7 Identical product, updated part number 10" 5µ Sediment 5 micron sediment...

This filter set is designed for the Zoi Alpha Pure system, and replaces the ROFK5 part number. The standard size filters work in most reverse osmosis systems available as well, and includes a 5 micron sediment filter, a GAC filter, a 5 micron carbon...

Standard-flow Calcite pH system with Fleck 5600 for acid neutralization Product Features Complete System 10"x54" resin tank Riser tube with distributor basket Fleck 5600 Control Head 1.5 ft³ Calcite Media Gravel Bed Choice of connection High-Flow...

Standard-flow Calcite pH system with digital Fleck 5600SXT for acid neutralization Product Features Complete System 10"x54" resin tank Riser tube with distributor basket Fleck 5600SXT Control Head 1.5 ft³ Calcite Media Gravel Bed Choice of...

Low-flow Calcite pH system with digital Fleck 5600SXT for acid neutralization Product Features Complete System 9"x48" resin tank Riser tube with distributor basket Fleck 5600SXT Control Head 1 cubic foot Calcite Media Gravel Bed Choice of connection ...

Low-flow Calcite pH system with Fleck 5600 for acid neutralization Product Features Complete System 9"x48" resin tank Riser tube with distributor basket Fleck 5600 Control Head 1 ft⊃ Calcite Media Gravel Bed Choice of connection Low-Flow System...

1/2 cubic foot of synthetic catalytic carbon for hydrogen sulfide, iron, tastes, odors, and chemicals Product Features 0.5 cubic foot Centaur Catalytic Carbon Synthetic carbon media for hydrogen sulfide, iron, and a wide range of tastes, chemicals, and...