
Omnipure - E5628 - 12" x 2.5" E-Series T28 GAC Carbon Filter
Professional-Grade E5628 Pre-RO Carbon Filtration
Granulated activated carbon filter with universal cap design for reliable chlorine and organics removal before reverse osmosis membranes
Designed for Pre-RO Protection
Chlorine Guard
GAC media absorbs chlorine and chloramines that would otherwise damage downstream RO membranes, extending system life significantly
Universal Cap Fit
Compatible with all standard permanent E-Series heads, making cartridge replacement quick without proprietary housing requirements
Loose GAC Media
35.5 cubic inches of granulated activated carbon provides high surface area contact for taste, odor, and organics reduction
Standard Sizing
12 inch length and 2.5 inch diameter fits most residential and light commercial pre-filter housings rated for 125 PSI
E5628 Technical Details
| Model Number | E5628 |
| Dimensions | 12" L x 2.5" W |
| Filter Media | Granulated Activated Carbon (GAC) |
| Media Volume | 35.5 cubic inches |
| Flow Rate | 0.5 GPM maximum |
| Pressure Rating | 125 PSI maximum |
| Temperature Rating | 100°F maximum |
| Service Life | 1 year or 2500 gallons |
| Cap Design | Universal (fits all permanent heads) |
| Primary Reduction | Chlorine, taste, odor |
System Integration
The Omnipure E5628 fits all standard 12" x 2.5" filter housings designed for E-Series cartridges. The universal cap design works with existing permanent Omnipure heads and most third-party housings rated for inline carbon filtration. Commonly used as Stage 2 or Stage 3 pre-filtration in reverse osmosis systems, whole-house carbon setups, and commercial water treatment installations where chlorine removal is required before membrane contact.
Replacement Schedule
Annual Replacement
Replace the E5628 cartridge once per year for residential applications, or when you notice chlorine taste or odor breakthrough
Capacity-Based Change
For high-volume or commercial use, monitor total gallons filtered and replace at 2500 gallons to maintain chlorine removal efficiency
Performance Monitoring
If you detect chlorine smell, taste changes, or reduced flow rate before scheduled replacement, swap the cartridge earlier to protect downstream equipment
Easy Swap Design
Universal cap threads into all standard E-Series housings without adapters or special tools
Membrane Protection
Prevents costly RO membrane damage by removing chlorine before it reaches thin-film composite materials
Omnipure Quality
Manufactured to NSF standards with consistent GAC media density and reliable contaminant reduction
Proven Capacity
2500 gallon rating based on municipal water conditions provides predictable service intervals
Professional-Grade E5628 Pre-RO Carbon Filtration
Granulated activated carbon filter with universal cap design for reliable chlorine and organics removal before reverse osmosis membranes
Designed for Pre-RO Protection
Chlorine Guard
GAC media absorbs chlorine and chloramines that would otherwise damage downstream RO membranes, extending system life significantly
Universal Cap Fit
Compatible with all standard permanent E-Series heads, making cartridge replacement quick without proprietary housing requirements
Loose GAC Media
35.5 cubic inches of granulated activated carbon provides high surface area contact for taste, odor, and organics reduction
Standard Sizing
12 inch length and 2.5 inch diameter fits most residential and light commercial pre-filter housings rated for 125 PSI
E5628 Technical Details
| Model Number | E5628 |
| Dimensions | 12" L x 2.5" W |
| Filter Media | Granulated Activated Carbon (GAC) |
| Media Volume | 35.5 cubic inches |
| Flow Rate | 0.5 GPM maximum |
| Pressure Rating | 125 PSI maximum |
| Temperature Rating | 100°F maximum |
| Service Life | 1 year or 2500 gallons |
| Cap Design | Universal (fits all permanent heads) |
| Primary Reduction | Chlorine, taste, odor |
System Integration
The Omnipure E5628 fits all standard 12" x 2.5" filter housings designed for E-Series cartridges. The universal cap design works with existing permanent Omnipure heads and most third-party housings rated for inline carbon filtration. Commonly used as Stage 2 or Stage 3 pre-filtration in reverse osmosis systems, whole-house carbon setups, and commercial water treatment installations where chlorine removal is required before membrane contact.
Replacement Schedule
Annual Replacement
Replace the E5628 cartridge once per year for residential applications, or when you notice chlorine taste or odor breakthrough
Capacity-Based Change
For high-volume or commercial use, monitor total gallons filtered and replace at 2500 gallons to maintain chlorine removal efficiency
Performance Monitoring
If you detect chlorine smell, taste changes, or reduced flow rate before scheduled replacement, swap the cartridge earlier to protect downstream equipment
Easy Swap Design
Universal cap threads into all standard E-Series housings without adapters or special tools
Membrane Protection
Prevents costly RO membrane damage by removing chlorine before it reaches thin-film composite materials
Omnipure Quality
Manufactured to NSF standards with consistent GAC media density and reliable contaminant reduction
Proven Capacity
2500 gallon rating based on municipal water conditions provides predictable service intervals
Original: $25.06
-65%$25.06
$8.77Description
Professional-Grade E5628 Pre-RO Carbon Filtration
Granulated activated carbon filter with universal cap design for reliable chlorine and organics removal before reverse osmosis membranes
Designed for Pre-RO Protection
Chlorine Guard
GAC media absorbs chlorine and chloramines that would otherwise damage downstream RO membranes, extending system life significantly
Universal Cap Fit
Compatible with all standard permanent E-Series heads, making cartridge replacement quick without proprietary housing requirements
Loose GAC Media
35.5 cubic inches of granulated activated carbon provides high surface area contact for taste, odor, and organics reduction
Standard Sizing
12 inch length and 2.5 inch diameter fits most residential and light commercial pre-filter housings rated for 125 PSI
E5628 Technical Details
| Model Number | E5628 |
| Dimensions | 12" L x 2.5" W |
| Filter Media | Granulated Activated Carbon (GAC) |
| Media Volume | 35.5 cubic inches |
| Flow Rate | 0.5 GPM maximum |
| Pressure Rating | 125 PSI maximum |
| Temperature Rating | 100°F maximum |
| Service Life | 1 year or 2500 gallons |
| Cap Design | Universal (fits all permanent heads) |
| Primary Reduction | Chlorine, taste, odor |
System Integration
The Omnipure E5628 fits all standard 12" x 2.5" filter housings designed for E-Series cartridges. The universal cap design works with existing permanent Omnipure heads and most third-party housings rated for inline carbon filtration. Commonly used as Stage 2 or Stage 3 pre-filtration in reverse osmosis systems, whole-house carbon setups, and commercial water treatment installations where chlorine removal is required before membrane contact.
Replacement Schedule
Annual Replacement
Replace the E5628 cartridge once per year for residential applications, or when you notice chlorine taste or odor breakthrough
Capacity-Based Change
For high-volume or commercial use, monitor total gallons filtered and replace at 2500 gallons to maintain chlorine removal efficiency
Performance Monitoring
If you detect chlorine smell, taste changes, or reduced flow rate before scheduled replacement, swap the cartridge earlier to protect downstream equipment
Easy Swap Design
Universal cap threads into all standard E-Series housings without adapters or special tools
Membrane Protection
Prevents costly RO membrane damage by removing chlorine before it reaches thin-film composite materials
Omnipure Quality
Manufactured to NSF standards with consistent GAC media density and reliable contaminant reduction
Proven Capacity
2500 gallon rating based on municipal water conditions provides predictable service intervals



















