Double “Big Blue” Cartridges, 4.5" X 20"


Cartridges in this category are used almost exclusively for point-of-entry, or “whole house” applications. They are particularly valuable as sediment filters for wells or dechlorination filters (carbon cartridges) for city water applications.

Additional information about Sediment Cartridges.


Part # Description Price
FC450 1-Micron Nominal String Wound Sediment Cartridge $32.00
FC453 5-Micron String Wound Sediment Cartridge $32.00
FC455 20-Micron String Wound Sediment Cartridge $32.00
FC456 50-Micron String Wound Sediment Cartridge $32.00
FC457 FlowMax Nominal 1-Micron Pleated Sediment Cartridge $42.00
FC451 5-Micron Pleated Polypropylene Sediment Cartridge $39.00
FC454 20-Micron Pleated Polypropylene Sediment Cartridge $39.00
FC452 5-Micron Melt Blown Sediment Cartridge $39.00
FC406 Utility Grade Granular Carbon Cartridge $49.00
FC403 MatriKX CTO Nominal 5-micron taste/odor grade extruded carbon block. Great as a whole house filter. $68.00
FC401 MatriKX+1 Nominal 0.6-micron extruded carbon block cartridge. Extensive capability for chlorine and general chemical removal. Rated for an incredible 150,000 gallons of city water dechlorination.Superb small whole house filter. Recommended for use on very clean water. $89.00
FC805 Pura’s 0.5-micron carbon block cartridge. Should be used only on very clean water where high flow is not required. Rated for cyst removal and designed to provide very high purity water (cyst-free) with ultraviolet systems. $119.00
FC806 Pura 10 Micron Carbon Block $89.00
FC407 Our own water softening cartridge with standard water softener resin. Estimated capacity: 750 gallons treating water of 7 grains per gallon hardness. Can be regenerated with a strong brine (salt water) solution. $64.00
FC408 Centaur GAC cartridge $72.00
FC410 Pentek RFFE20-BB Radial Flow Iron Reduction Cartridge. Provides an easy and effective method of reducing iron from water, which greatly improves the taste and prevents staining of fixtures and laundry. Treats up to 80,000 gallons of water with 1 ppm. iron. Not recommended for iron bacteria. Works best if pH is above 7.0. Pentek Data sheet (PDF) $129.00
FC411 ChlorPlus-20BB carbon block. Pentek's superb chlorine/chloramine cartridge, rated for 7,000 gallons of chloramine reduction @ 4 gpm and 500,000 gallons of chlorine reduction @ 4 gpm. Pressure drop is 6 psi @ 4 gpm. Pentek Data sheet (PDF) $154.00
FC412 CRFC20-BB Pentek's unique radial flow 25 micron carbon chloramine cartridge with the low pressure drop but the exceptional performance. Only 2.5 psi pressure drop @ 5 gpm. Rated for 10,000 gallons of chloramine reduction at 5 gpm or 25,000 gallons at 2.5 gpm. Chlorine reduction capacity is 200,000 gallons @ 4 gpm. Pentek Data sheet (PDF) $182.00

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