The Omnipure K2520 is a 10" x 2" inline carbon block filter with 1 micron rating, designed for post-RO polishing, refrigerators, ice makers, and under-counter systems. This 1/4" NPT and quick-connect compatible filter removes chlorine taste, odor, and fine sediment for up to 1500 gallons or one year of service.
SPECIFICATIONS
Omnipure K2520 Key Specifications
Dimensions
10" × 2"
Inline cartridge
Micron Rating
1 Micron
Class 1 filtration
Flow Rate
0.5 GPM
Maximum rated
Service Life
1500 Gallons
Or 1 year
Connection Type
1/4" FPT + QC
Dual fitting options
Filter Media
Carbon Block
Compressed activated carbon
TECHNICAL DETAILS
Full Technical Specifications
| Model Number | K2520-BB / K2520-JJ |
| Maximum Pressure | 125 PSI |
| Maximum Temperature | 100°F (38°C) |
| Contaminant Reduction | Chlorine taste and odor, particulates, sediment |
| Thread Size | 1/4" Female NPT (measures 0.540" actual diameter) |
| Compatible Models | K2520-BB, K2520-JJ |
| NSF Classification | Class 1 particulate filtration |
COMPATIBILITY & APPLICATIONS
Where to Use the K2520
The Omnipure K2520 inline filter is most commonly installed as a post-filter in reverse osmosis systems to polish water after the membrane stage, removing residual taste and odor. It also works well in refrigerator water lines, standalone ice makers, and under-counter drinking water systems where space is limited and quick-connect or 1/4" NPT fittings are required. The 1 micron carbon block media provides fine sediment filtration while addressing chlorine and organic compounds that affect taste. Note that 1/4" NPT threads measure approximately 0.540 inches in actual diameter, not 0.25 inches, which is a common sizing misconception when measuring with a ruler.
💧 Pro Tip: Replace the K2520 annually or at 1500 gallons, whichever comes first. If you notice a decline in flow rate or a return of chlorine taste before the year is up, replace it early—carbon block filters lose effectiveness gradually, and waiting too long compromises water quality.
