
Aries (AF-20-1046-BB) 20"x4.5" Big Blue Coco GAC
20"x4.5" Big Blue Coconut Shell GAC Filter
Granular activated carbon from coconut shells for whole-house chlorine, taste, and odor reduction in standard 20-inch Big Blue housings
Premium coconut GAC for superior adsorption
Coconut Shell Carbon
Higher micropore density than coal-based carbons means better chlorine removal and longer contact time with contaminants
Taste & Odor Control
Adsorbs chlorine, chloramines, volatile organic compounds, and the taste and odor issues that come with municipal treatment
Whole House Ready
Large 4.5-inch diameter provides high flow capacity for point-of-entry applications without excessive pressure drop
Standard Big Blue Fit
Drop-in replacement for any 20"x4.5" Big Blue housing from Pentair, Pentek, Hydronix, or other manufacturers
Fits standard 20-inch Big Blue housings
The Aries AF-20-1046-BB fits any standard 20-inch Big Blue filter housing with 4.5-inch diameter capacity, including Pentair 20" housings, Pentek #20 housings, and other industry-standard whole-house filter vessels. Ideal for whole-house carbon filtration, well water treatment, and municipal chlorine removal systems.
Replacement schedule for consistent performance
Standard Municipal
Replace every 6 to 12 months depending on water usage, chlorine levels, and household size for continuous taste and odor control
High Chlorine / Heavy Use
More frequent replacement needed for homes with high chlorine levels, multiple occupants, or when used as pretreatment for RO systems
Renewable Carbon Source
Coconut shell activated carbon is a sustainable, renewable media with superior adsorption properties
High Flow Capacity
Large 20x4.5 format handles whole-house flow rates without choking pressure or restricting fixtures
Universal Replacement
Works in any standard Big Blue 20-inch housing regardless of manufacturer or brand
20"x4.5" Big Blue Coconut Shell GAC Filter
Granular activated carbon from coconut shells for whole-house chlorine, taste, and odor reduction in standard 20-inch Big Blue housings
Premium coconut GAC for superior adsorption
Coconut Shell Carbon
Higher micropore density than coal-based carbons means better chlorine removal and longer contact time with contaminants
Taste & Odor Control
Adsorbs chlorine, chloramines, volatile organic compounds, and the taste and odor issues that come with municipal treatment
Whole House Ready
Large 4.5-inch diameter provides high flow capacity for point-of-entry applications without excessive pressure drop
Standard Big Blue Fit
Drop-in replacement for any 20"x4.5" Big Blue housing from Pentair, Pentek, Hydronix, or other manufacturers
Fits standard 20-inch Big Blue housings
The Aries AF-20-1046-BB fits any standard 20-inch Big Blue filter housing with 4.5-inch diameter capacity, including Pentair 20" housings, Pentek #20 housings, and other industry-standard whole-house filter vessels. Ideal for whole-house carbon filtration, well water treatment, and municipal chlorine removal systems.
Replacement schedule for consistent performance
Standard Municipal
Replace every 6 to 12 months depending on water usage, chlorine levels, and household size for continuous taste and odor control
High Chlorine / Heavy Use
More frequent replacement needed for homes with high chlorine levels, multiple occupants, or when used as pretreatment for RO systems
Renewable Carbon Source
Coconut shell activated carbon is a sustainable, renewable media with superior adsorption properties
High Flow Capacity
Large 20x4.5 format handles whole-house flow rates without choking pressure or restricting fixtures
Universal Replacement
Works in any standard Big Blue 20-inch housing regardless of manufacturer or brand
Description
20"x4.5" Big Blue Coconut Shell GAC Filter
Granular activated carbon from coconut shells for whole-house chlorine, taste, and odor reduction in standard 20-inch Big Blue housings
Premium coconut GAC for superior adsorption
Coconut Shell Carbon
Higher micropore density than coal-based carbons means better chlorine removal and longer contact time with contaminants
Taste & Odor Control
Adsorbs chlorine, chloramines, volatile organic compounds, and the taste and odor issues that come with municipal treatment
Whole House Ready
Large 4.5-inch diameter provides high flow capacity for point-of-entry applications without excessive pressure drop
Standard Big Blue Fit
Drop-in replacement for any 20"x4.5" Big Blue housing from Pentair, Pentek, Hydronix, or other manufacturers
Fits standard 20-inch Big Blue housings
The Aries AF-20-1046-BB fits any standard 20-inch Big Blue filter housing with 4.5-inch diameter capacity, including Pentair 20" housings, Pentek #20 housings, and other industry-standard whole-house filter vessels. Ideal for whole-house carbon filtration, well water treatment, and municipal chlorine removal systems.
Replacement schedule for consistent performance
Standard Municipal
Replace every 6 to 12 months depending on water usage, chlorine levels, and household size for continuous taste and odor control
High Chlorine / Heavy Use
More frequent replacement needed for homes with high chlorine levels, multiple occupants, or when used as pretreatment for RO systems
Renewable Carbon Source
Coconut shell activated carbon is a sustainable, renewable media with superior adsorption properties
High Flow Capacity
Large 20x4.5 format handles whole-house flow rates without choking pressure or restricting fixtures
Universal Replacement
Works in any standard Big Blue 20-inch housing regardless of manufacturer or brand
















