Unicel (K-40415-B) 10" x 4.5" Pleated Filters 20 Micron Polypropylene Filter Omnipure (E5621-P) E-Series 10 Mic. Carbon Block With Scale Inhibitor 2.5" X 12" 10 MIC.CARBON BLK./PHOSPHATE with factory calibration and NIST

with factory calibration and NIST traceability standard on every replacement probe

Performance Tracking

5" 1 Micron Inline Filter

Multi-Purpose Design

Filter Media Polyphosphate + GAC

Unicel (K-40415-B) 10" x 4.5" Pleated Filters 20 Micron Polypropylene Filter Omnipure (E5621-P) E-Series 10 Mic. Carbon Block With Scale Inhibitor 2.5" X 12" 10 MIC.CARBON BLK./PHOSPHATE with factory calibration and NISTUnicel Pleated Sediment Filter Unicel K 40415 B 10" x 4. 5" Pleated Polypropylene Filter 20 micron washable sediment filtration for Big Blue whole house systems Reusable & Cleanable Made in USA High Flow Design Long Service Life The Unicel K 40415 B delivers reliable 20 micron sediment filtration through a pleated polypropylene design that maximizes surface area for excellent flow rates and extended filter life. Unlike disposable cartridges, this