INTERNAL FILTER 20” GAC-20B (CHLORINE-ODOR)

Effectively reduces unwanted tastes, odors and chlorine.
Designed for maximum contact time with carbon media.
The 20 micron post-filter reduces the release of fine carbon.
Internal expansion surface minimizes channeling and bypassing.
Fits all standard 20″ whole house filter housings.
Nominal rating 20 micron.