12_3/4x20_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Emitters leaving your plants clean and

leaving your plants clean and strong

Our products are designed to optimize your grow operations

Monitorable with Replacement Indicators – Compatible with Integra Boost replacement indicator cards (sold separately) to signal when packs need replacing

Dimensions - 11

12_3/4x20_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Emitters leaving your plants clean andNordic Pure Custom MERV 14 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