PureT (GAC-20W-EP) 20"x 2.5" Empty Filter Cartridge
Core Performance Data
Construction & Media Options
| Model Number | GAC-20W-EP (PureT) |
| Compatible Alternative | Watts RC-W-20 |
| Housing Compatibility | All standard 20-inch filter housings (2.5" diameter) |
| Recommended Media Types | Granular activated carbon (GAC), calcite, softening resin, mixed bed resin, custom blends |
| Refill Method | Unscrew cap, replace depleted media, secure with built-in screens |
| Construction | Robust polypropylene body with integrated pre- and post-filter screens |
| Flow Rate | High flow design (dependent on media type and density) |
Where This Cartridge Works
The GAC-20W-EP fits any standard 20-inch water filter housing with a 2.5-inch diameter opening. Use it for pH correction with calcite media, taste and odor removal with activated carbon, water softening with ion exchange resin, or custom filtration blends tailored to your specific water chemistry. This refillable design reduces single-use plastic cartridge waste and allows you to adapt filtration media as your water quality changes. Ideal for whole-house systems, well water treatment, commercial applications, or any scenario where you want control over your filter media without replacing the entire cartridge every cycle.
Core Performance Data
Construction & Media Options
| Model Number | GAC-20W-EP (PureT) |
| Compatible Alternative | Watts RC-W-20 |
| Housing Compatibility | All standard 20-inch filter housings (2.5" diameter) |
| Recommended Media Types | Granular activated carbon (GAC), calcite, softening resin, mixed bed resin, custom blends |
| Refill Method | Unscrew cap, replace depleted media, secure with built-in screens |
| Construction | Robust polypropylene body with integrated pre- and post-filter screens |
| Flow Rate | High flow design (dependent on media type and density) |
Where This Cartridge Works
The GAC-20W-EP fits any standard 20-inch water filter housing with a 2.5-inch diameter opening. Use it for pH correction with calcite media, taste and odor removal with activated carbon, water softening with ion exchange resin, or custom filtration blends tailored to your specific water chemistry. This refillable design reduces single-use plastic cartridge waste and allows you to adapt filtration media as your water quality changes. Ideal for whole-house systems, well water treatment, commercial applications, or any scenario where you want control over your filter media without replacing the entire cartridge every cycle.
Original: $8.72
-65%$8.72
$3.05Description
Core Performance Data
Construction & Media Options
| Model Number | GAC-20W-EP (PureT) |
| Compatible Alternative | Watts RC-W-20 |
| Housing Compatibility | All standard 20-inch filter housings (2.5" diameter) |
| Recommended Media Types | Granular activated carbon (GAC), calcite, softening resin, mixed bed resin, custom blends |
| Refill Method | Unscrew cap, replace depleted media, secure with built-in screens |
| Construction | Robust polypropylene body with integrated pre- and post-filter screens |
| Flow Rate | High flow design (dependent on media type and density) |
Where This Cartridge Works
The GAC-20W-EP fits any standard 20-inch water filter housing with a 2.5-inch diameter opening. Use it for pH correction with calcite media, taste and odor removal with activated carbon, water softening with ion exchange resin, or custom filtration blends tailored to your specific water chemistry. This refillable design reduces single-use plastic cartridge waste and allows you to adapt filtration media as your water quality changes. Ideal for whole-house systems, well water treatment, commercial applications, or any scenario where you want control over your filter media without replacing the entire cartridge every cycle.
