16x22_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack lighting-&-electrical-components PFR-97 uses Isaria fumosorosea Apopka

PFR-97 uses Isaria fumosorosea Apopka Strain 97 to infect and kill target pest insects and mites including aphids

Each has an LED indicator to show whether the outlet is On or Off

Another benefit of the drain grooves under the block is that it will limit the contact surface with the ground

causing unsightly damage to turf and crop loss where they are active

They parasitize and kill insect pests in their larval or pupal stage of development preventing egg laying and limiting crop damage

16x22_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack lighting-&-electrical-components PFR-97 uses Isaria fumosorosea ApopkaNordic Pure Custom MERV 7 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition