The Omnipure L5521 is a 10-inch twist-off carbon block filter designed to reduce chlorine, sediment down to 10 microns, and improve taste and odor in residential and light commercial water systems. This NSF-certified L-Series inline filter fits proprietary housings and delivers reliable filtration for 6 to 12 months depending on water quality and usage.
SPECIFICATIONS
Omnipure L5521 Filter Specs
Micron Rating
10 micron
Sediment filtration
Dimensions
10" × 2.5"
Standard L-Series size
Filter Type
Carbon Block
Inline twist-off
Service Life
6–12 months
Depends on usage
Certification
NSF Certified
Quality assured
Connection
Twist-off
Proprietary housing
TECHNICAL DETAILS
L5521 Carbon Block Filter Data
| Model Number |
Omnipure L5521 |
| Filter Media |
Carbon block |
| Micron Rating |
10 microns |
| Length × Diameter |
10 inches × 2.5 inches |
| Primary Function |
Chlorine, taste, odor, sediment reduction |
| Replacement Interval |
6 to 12 months |
| Certification |
NSF certified |
COMPATIBILITY & APPLICATIONS
Where the L5521 Works
The Omnipure L5521 is designed for proprietary twist-off housings in residential water filtration systems, under-sink setups, and reverse osmosis pre-filtration stages. It fits Omnipure L-Series housings and is widely used in point-of-use applications where chlorine taste and odor removal is a priority. This 10-micron carbon block filter also protects downstream equipment like RO membranes by capturing sediment and organics. Verify housing compatibility before ordering to ensure proper fit and seal.
💧 Replace your L5521 every 6 to 12 months or sooner if you notice a drop in flow rate or return of chlorine taste. Regular replacement keeps your water clean and protects any downstream filters or membranes in your system.