Omnipure - E5521 - 10" x 2.5" E-Series 10 Micron Carbon Block Filter
10" x 2.5" E5521 10 Micron Filter Cartridge
Universal-cap carbon block for consistent chlorine and taste reduction in residential and light commercial applications
Omnipure E-Series engineering for reliable inline filtration
Universal Cap Design
Fits all permanent E-Series heads without adapters or modifications, making filter changes quick and mess-free
Carbon Block Media
Compressed activated carbon captures chlorine, volatile organic compounds, and particulates down to 10 microns
Balanced Flow Rate
0.5 GPM flow maintains contact time for thorough filtration without starving downstream fixtures or equipment
2500 Gallon Capacity
One year service life under typical conditions, protecting appliances and improving water quality throughout the replacement cycle
Technical Details
| Model Number | E5521 |
| Dimensions | 10" L x 2.5" W |
| Micron Rating | 10 Micron |
| Flow Rate | 0.5 GPM |
| Max Pressure | 125 PSI |
| Max Temperature | 100°F |
| Service Life | 1 Year / 2500 Gallons |
| Media Type | Carbon Block |
| Reduces | Chlorine, Taste, Odor |
Fits Omnipure E-Series filter housings
The E5521 is designed for standard Omnipure E-Series inline filter heads with universal threaded caps. Common in under-sink systems, RO pre-filtration stages, ice makers, refrigerators, beverage equipment, and point-of-use water treatment applications requiring chlorine and particulate reduction. Verify housing accepts 10" x 2.5" cartridges before ordering.
Replacement Schedule
Standard Replacement
Replace the E5521 cartridge annually under typical residential use to maintain chlorine reduction and prevent carbon exhaustion
Capacity-Based Change
If usage exceeds 200 gallons per month, replace filter when capacity is reached, whichever comes first
Performance Indicators
Replace sooner if you notice chlorine taste or odor returning, reduced flow rate, or if system pressure gauge shows significant restriction
Tool-Free Changes
Universal cap threads into existing heads without wrenches or special tools
Proven Platform
Omnipure E-Series filters are installed in thousands of homes and commercial settings worldwide
Cost-Effective Filtration
2500 gallon capacity delivers dependable water quality at a low per-gallon cost
Stock & Replace
Keep a spare E5521 on hand so you're ready when it's time to swap filters
10" x 2.5" E5521 10 Micron Filter Cartridge
Universal-cap carbon block for consistent chlorine and taste reduction in residential and light commercial applications
Omnipure E-Series engineering for reliable inline filtration
Universal Cap Design
Fits all permanent E-Series heads without adapters or modifications, making filter changes quick and mess-free
Carbon Block Media
Compressed activated carbon captures chlorine, volatile organic compounds, and particulates down to 10 microns
Balanced Flow Rate
0.5 GPM flow maintains contact time for thorough filtration without starving downstream fixtures or equipment
2500 Gallon Capacity
One year service life under typical conditions, protecting appliances and improving water quality throughout the replacement cycle
Technical Details
| Model Number | E5521 |
| Dimensions | 10" L x 2.5" W |
| Micron Rating | 10 Micron |
| Flow Rate | 0.5 GPM |
| Max Pressure | 125 PSI |
| Max Temperature | 100°F |
| Service Life | 1 Year / 2500 Gallons |
| Media Type | Carbon Block |
| Reduces | Chlorine, Taste, Odor |
Fits Omnipure E-Series filter housings
The E5521 is designed for standard Omnipure E-Series inline filter heads with universal threaded caps. Common in under-sink systems, RO pre-filtration stages, ice makers, refrigerators, beverage equipment, and point-of-use water treatment applications requiring chlorine and particulate reduction. Verify housing accepts 10" x 2.5" cartridges before ordering.
Replacement Schedule
Standard Replacement
Replace the E5521 cartridge annually under typical residential use to maintain chlorine reduction and prevent carbon exhaustion
Capacity-Based Change
If usage exceeds 200 gallons per month, replace filter when capacity is reached, whichever comes first
Performance Indicators
Replace sooner if you notice chlorine taste or odor returning, reduced flow rate, or if system pressure gauge shows significant restriction
Tool-Free Changes
Universal cap threads into existing heads without wrenches or special tools
Proven Platform
Omnipure E-Series filters are installed in thousands of homes and commercial settings worldwide
Cost-Effective Filtration
2500 gallon capacity delivers dependable water quality at a low per-gallon cost
Stock & Replace
Keep a spare E5521 on hand so you're ready when it's time to swap filters
Original: $28.86
-65%$28.86
$10.10Description
10" x 2.5" E5521 10 Micron Filter Cartridge
Universal-cap carbon block for consistent chlorine and taste reduction in residential and light commercial applications
Omnipure E-Series engineering for reliable inline filtration
Universal Cap Design
Fits all permanent E-Series heads without adapters or modifications, making filter changes quick and mess-free
Carbon Block Media
Compressed activated carbon captures chlorine, volatile organic compounds, and particulates down to 10 microns
Balanced Flow Rate
0.5 GPM flow maintains contact time for thorough filtration without starving downstream fixtures or equipment
2500 Gallon Capacity
One year service life under typical conditions, protecting appliances and improving water quality throughout the replacement cycle
Technical Details
| Model Number | E5521 |
| Dimensions | 10" L x 2.5" W |
| Micron Rating | 10 Micron |
| Flow Rate | 0.5 GPM |
| Max Pressure | 125 PSI |
| Max Temperature | 100°F |
| Service Life | 1 Year / 2500 Gallons |
| Media Type | Carbon Block |
| Reduces | Chlorine, Taste, Odor |
Fits Omnipure E-Series filter housings
The E5521 is designed for standard Omnipure E-Series inline filter heads with universal threaded caps. Common in under-sink systems, RO pre-filtration stages, ice makers, refrigerators, beverage equipment, and point-of-use water treatment applications requiring chlorine and particulate reduction. Verify housing accepts 10" x 2.5" cartridges before ordering.
Replacement Schedule
Standard Replacement
Replace the E5521 cartridge annually under typical residential use to maintain chlorine reduction and prevent carbon exhaustion
Capacity-Based Change
If usage exceeds 200 gallons per month, replace filter when capacity is reached, whichever comes first
Performance Indicators
Replace sooner if you notice chlorine taste or odor returning, reduced flow rate, or if system pressure gauge shows significant restriction
Tool-Free Changes
Universal cap threads into existing heads without wrenches or special tools
Proven Platform
Omnipure E-Series filters are installed in thousands of homes and commercial settings worldwide
Cost-Effective Filtration
2500 gallon capacity delivers dependable water quality at a low per-gallon cost
Stock & Replace
Keep a spare E5521 on hand so you're ready when it's time to swap filters
