Pentair GAC-20BB Big Blue carbon filter cartridge 20" x 4.5" (pack of 4)
20-inch carbon block replacement cartridge for 20" Pentair Big Blue housings. Improves taste and odor with NSF/ANSI 42 tested filtration. One customer notes effective removal of iron and chlorine
Highlights
- nautral taste and odor reduction
- fits 20" Big Blue housings
- NSF/ANSI 42 certified
Pros
- improves taste and odor
- compatible with 20" Big Blue housings
- radial flow design reduces pressure drop
- tested for NSF/ANSI 42
Cons
- durability varies by user
- some report water pressure loss during use
Best For
Features
- 20" x 4.5" GAC replacement cartridge for 20" Pentair Big Blue housings
- Reduces tastes and odors, including chlorine, for cleaner drinking water
- Radial flow design minimizes water pressure drop and reduces carbon fines
- NSF International tested to NSF/ANSI Standard 42 for compatibility
- Compatible with 20" Pentair Pentek Big Blue housings; pairs well with GAC post-filters and pre-filters such as Fibredyne or Extruded Carbon Block options
