Complete System Mounting Bracket Housings with 1" In/Out Housing Wrench Carbon block filter (5-10-micron) Activate Alumina Filter Standard-flow System Designed for homes with 2-4 bathrooms 20" Big Blue Filters 4.5" diameter Big Blue filters outperform standard 2.5" filters Carbon Filter Filters out a wide range of tastes, odors and chemicals, including chlorine, herbicides, & pesticides Activated Alumina Filter Removes arsenic +3 AND +5 without adding anything harmful to your water 1" Connection Large NPT connection for minimal flow restriction Pressure Release Provides simple pressure let off to reduce water spray when changing filters DIY Installation Simple in/out connection and installation instructions allow most home owners to install these systems on their own

    20" 2-stage Big Blue Whole House Filter for Arsenic

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