Pentek RFC-20 – 20" Radial Flow Carbon Filter Cartridge for Chlorine, Taste & Odor Reduction

The Pentek RFC‑20 is a 20″ radial‑flow carbon filter cartridge using granular activated carbon (GAC) media. Engineered to reduce chlorine taste and odor while maintaining high flow and minimal pressure drop, it’s ideal for point-of-entry or whole-house water treatment systems.

Filter Type: Radial-flow granular activated carbon (GAC)

Nominal Micron Rating: 25 µm

Dimensions: 20″ length × 2.75″ (approx.) diameter, fits standard 20″ × 2.5″ housings

Flow Rate / Pressure Drop: ~0.6 psi at 2 GPM

Operating Temperature: 40 °F to 125 °F (4.4 °C to 51.7 °C)

Chlorine Removal Capacity: Up to 6,000 gallons at 2 GPM

Filter Life: Approximately 6 months depending on water usage and quality

Construction: Polyethylene outer shell with polypropylene core and end caps, Buna‑N gaskets

Certifications: NSF/ANSI Standard 42 (materials & structure only)

Model Number: 155065‑43

Fits Housings: Standard 20″ × 2.5″ slimline housings (not compatible with 4.5″ Big Blue housings)