
IPW Industries Inc - High Capacity - 20” x 4.5” Big Blue Water Filter Replacement Cartridges - Carbon Block Water Filtration Systems
High Capacity 20" x 4.5" Big Blue Carbon Block Filter
Premium coconut shell carbon cartridge engineered for whole-house filtration, RO pre-filtration, and water softener protection. Removes 99% of chlorine, taste, odor, and organic compounds at up to 15 GPM.
Fast adsorption, high flow, long service life
Premium Coconut Shell Carbon
Activated coconut shell carbon delivers superior adsorption and faster chemical removal than standard carbon sources, with minimal pressure drop.
Dual Function Filtration
Combines 5-micron sediment capture with chemical reduction in one cartridge. Removes chlorine, taste, odor, and a wide range of natural and synthetic organic compounds.
High Flow Rate
Engineered for up to 15 gallons per minute with minimal flow restriction, suitable for whole-house applications and demanding point-of-use systems.
Whole-House Ready
Fits standard 20" x 4.5" Big Blue housings. Ideal for whole-house filtration, reverse osmosis pre-filtration, and pre-treatment for water softeners.
Built for standard Big Blue systems
| Dimensions | 20" x 4.5" |
| Filtration | 5 micron carbon block |
| Flow Rate | Up to 15 GPM |
| Operating Pressure | Max 90 psi |
| Temperature Range | 40°F – 125°F (4°C – 52°C) |
| Service Life | Replace 1–2 times per year depending on water quality |
Works with dozens of brands and models
Compatible with standard Big Blue filter housings from iSpring, Pentair, Pentek, Tier1, Aquaboon, Omnifilter, Geekpure, MatriKX, Simpure, 3M, GE, Culligan, ClearChoice, Dupont, Omni, Hydronix, Trojan, Kenmore, Pelican, Whirlpool, Filtrete, Watts, and many others. Replaces filter models FC25B, 32-450-20-GREEN, CBC-20BB, FXB20CL2, ClearChoice 84642, 84641, Pelican CB-BB-20, Pentek 155783-43, EPM-20BB, Trojan CB-BB-20, Hydronix CB-45-2005, CB-45-2010, Watts WCBCFF20, and more.
Simple replacement schedule
Standard Replacement
Replace cartridge once or twice per year depending on water quality, chlorine levels, and household demand.
Performance Indicator
Reduced flow rate or return of taste and odor signals filter saturation. Replace cartridge promptly to maintain water quality.
Eco-Friendly Carbon
Renewable coconut shell source with minimal environmental impact
Individually Wrapped
Shrink-wrapped to guarantee freshness and prevent contamination
Universal Fit
Drop-in replacement for dozens of brands and model numbers
Low Maintenance
Long service life with minimal pressure drop over time
High Capacity 20" x 4.5" Big Blue Carbon Block Filter
Premium coconut shell carbon cartridge engineered for whole-house filtration, RO pre-filtration, and water softener protection. Removes 99% of chlorine, taste, odor, and organic compounds at up to 15 GPM.
Fast adsorption, high flow, long service life
Premium Coconut Shell Carbon
Activated coconut shell carbon delivers superior adsorption and faster chemical removal than standard carbon sources, with minimal pressure drop.
Dual Function Filtration
Combines 5-micron sediment capture with chemical reduction in one cartridge. Removes chlorine, taste, odor, and a wide range of natural and synthetic organic compounds.
High Flow Rate
Engineered for up to 15 gallons per minute with minimal flow restriction, suitable for whole-house applications and demanding point-of-use systems.
Whole-House Ready
Fits standard 20" x 4.5" Big Blue housings. Ideal for whole-house filtration, reverse osmosis pre-filtration, and pre-treatment for water softeners.
Built for standard Big Blue systems
| Dimensions | 20" x 4.5" |
| Filtration | 5 micron carbon block |
| Flow Rate | Up to 15 GPM |
| Operating Pressure | Max 90 psi |
| Temperature Range | 40°F – 125°F (4°C – 52°C) |
| Service Life | Replace 1–2 times per year depending on water quality |
Works with dozens of brands and models
Compatible with standard Big Blue filter housings from iSpring, Pentair, Pentek, Tier1, Aquaboon, Omnifilter, Geekpure, MatriKX, Simpure, 3M, GE, Culligan, ClearChoice, Dupont, Omni, Hydronix, Trojan, Kenmore, Pelican, Whirlpool, Filtrete, Watts, and many others. Replaces filter models FC25B, 32-450-20-GREEN, CBC-20BB, FXB20CL2, ClearChoice 84642, 84641, Pelican CB-BB-20, Pentek 155783-43, EPM-20BB, Trojan CB-BB-20, Hydronix CB-45-2005, CB-45-2010, Watts WCBCFF20, and more.
Simple replacement schedule
Standard Replacement
Replace cartridge once or twice per year depending on water quality, chlorine levels, and household demand.
Performance Indicator
Reduced flow rate or return of taste and odor signals filter saturation. Replace cartridge promptly to maintain water quality.
Eco-Friendly Carbon
Renewable coconut shell source with minimal environmental impact
Individually Wrapped
Shrink-wrapped to guarantee freshness and prevent contamination
Universal Fit
Drop-in replacement for dozens of brands and model numbers
Low Maintenance
Long service life with minimal pressure drop over time
Original: $34.00
-65%$34.00
$11.90Description
High Capacity 20" x 4.5" Big Blue Carbon Block Filter
Premium coconut shell carbon cartridge engineered for whole-house filtration, RO pre-filtration, and water softener protection. Removes 99% of chlorine, taste, odor, and organic compounds at up to 15 GPM.
Fast adsorption, high flow, long service life
Premium Coconut Shell Carbon
Activated coconut shell carbon delivers superior adsorption and faster chemical removal than standard carbon sources, with minimal pressure drop.
Dual Function Filtration
Combines 5-micron sediment capture with chemical reduction in one cartridge. Removes chlorine, taste, odor, and a wide range of natural and synthetic organic compounds.
High Flow Rate
Engineered for up to 15 gallons per minute with minimal flow restriction, suitable for whole-house applications and demanding point-of-use systems.
Whole-House Ready
Fits standard 20" x 4.5" Big Blue housings. Ideal for whole-house filtration, reverse osmosis pre-filtration, and pre-treatment for water softeners.
Built for standard Big Blue systems
| Dimensions | 20" x 4.5" |
| Filtration | 5 micron carbon block |
| Flow Rate | Up to 15 GPM |
| Operating Pressure | Max 90 psi |
| Temperature Range | 40°F – 125°F (4°C – 52°C) |
| Service Life | Replace 1–2 times per year depending on water quality |
Works with dozens of brands and models
Compatible with standard Big Blue filter housings from iSpring, Pentair, Pentek, Tier1, Aquaboon, Omnifilter, Geekpure, MatriKX, Simpure, 3M, GE, Culligan, ClearChoice, Dupont, Omni, Hydronix, Trojan, Kenmore, Pelican, Whirlpool, Filtrete, Watts, and many others. Replaces filter models FC25B, 32-450-20-GREEN, CBC-20BB, FXB20CL2, ClearChoice 84642, 84641, Pelican CB-BB-20, Pentek 155783-43, EPM-20BB, Trojan CB-BB-20, Hydronix CB-45-2005, CB-45-2010, Watts WCBCFF20, and more.
Simple replacement schedule
Standard Replacement
Replace cartridge once or twice per year depending on water quality, chlorine levels, and household demand.
Performance Indicator
Reduced flow rate or return of taste and odor signals filter saturation. Replace cartridge promptly to maintain water quality.
Eco-Friendly Carbon
Renewable coconut shell source with minimal environmental impact
Individually Wrapped
Shrink-wrapped to guarantee freshness and prevent contamination
Universal Fit
Drop-in replacement for dozens of brands and model numbers
Low Maintenance
Long service life with minimal pressure drop over time



















