Standard Features - Provides whole-home filtration for optimal home comfort and air quality, with no additional energy costs. - MERV 10* media filter (MERV 10*/CADR 520**). - Removes up to 85% of particles such as dust, dirt, and mold spores down to 3 microns***. - Compatible with any HVAC systemno additional power source needed. - No ozone emissions a known lung irritant****. - 5-Year Limited Warranty on covered components.