4.5" x 10" “Big Blue” Filter Cartridges


Carbon Block & Sediment Filters

This sections contains cartridges that are commonly referred to as “Big Blue” size. They are most often used as small “whole house” and well filters. They have excellent flow properties and can handle flow volume to 8 to 10 gallons-per-minute.

Excellent for both chemical (with carbon block) and sediment removal.

If in doubt of the size, see our “Big Blue” vessels.

Price given is for a single cartridge. Volume discount is 10% off for two and 15% off for three or more.


Carbon Block Cartridges

Part # Description Price
FC301 MatriKX+1 — Nominal 0.6 micron extruded carbon block. High capacity chlorine and chemical removal. $39.00
FC302 MatriKX+5 — Nominal 2 micron coconut shell carbon extruded carbon block. High chlorine and chemical capacity. no results for fc302
FC303 MatriKX CTO—Nominal 5 micron extruded carbon block. A workhorse filter. Good chlorine removal capacity and easy flow. $33.00

Sediment Cartridges

Additional Information About Sediment Cartridges.

Part # Description Price
FC350 1-micron (nominal) pleated polypropylene sediment cartridge $29.00
FC351 5-micron pleated polypropylene sediment cartridge $25.00
FC353 5-micron wound string sediment cartridge $18.00
FC352 5-micron melt blown sediment cartridge $18.00
FC354 20-micron pleated sediment filter $24.00
FC355 20-micron wound string sediment cartridge $18.00
FC356 50-micron wound string sediment cartridge $18.00

Specialty Cartridges

Part # Description Price
FC308 All-Calcite Cartridge for neutralizing low-pH water. $29.00
FC305 Water softening cartridge. Contains standard water softener resin, which can be regenerated with brine (a strong salt water solution). $38.00
FC300 Centaur GAC cartridge $44.00

0 items, total: $00.00