10x12x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs No harmful byproducts

No harmful byproducts

Permanent Drainage Option – Can be plumbed directly for continuous

At the same time

Flame™ is formulated to enhance flower size and bud development throughout the flowering phase of a plants life cycle

10x12x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs No harmful byproductsNordic Pure Custom MERV 10 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