Hydrologic Big Boy w/Upgraded KDF85/Catalytic Carbon Filter refurbished-products This impeller and guide vane

This impeller and guide vane combination provides a smooth laminar air flow which in turn minimizes turbulence and noise and generate an excellent air flow to static pressure performance ratio

sustainable gardens

You don’t need any fancy meter for that—it’s visually apparent

• Economical (long average life

The quality construction features a highly reflective specular aluminum interior reflector

Hydrologic Big Boy w/Upgraded KDF85/Catalytic Carbon Filter refurbished-products This impeller and guide vaneBig Boy extra high capacity dechlorinator and sediment filter with upgraded KDF85 Catalytic Carbon filter. 50,000 gallon filter life. Can be used as a whole house or for standalone applications.