15x24x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Growing Media 🔋 Long Battery Life: Runs

🔋 Long Battery Life: Runs on 2 AAA batteries (included) with up to 500 hours of testing time

Weevils (including Boll Weevil

Can be used indoors and out

0-8560 ppm

15x24x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Growing Media 🔋 Long Battery Life: RunsNordic 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