15x36x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Grow1 5' Steel Stake and dramatically increase a host

and dramatically increase a host plant's supply of nutrients and moisture

The Sorting Kit utilizes the uniquely sized sieves to collect and sort your largest buds to your finest pollen

"This product has a manufacturer shelf life

There is a 1-hour REI (Restricted Entry Interval) for this product when applied via fogging or spraying in enclosed glasshouses and greenhouses

15x36x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Grow1 5' Steel Stake and dramatically increase a hostNordic Pure Custom MERV 12 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