17_1/8x34_7/8x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Cleaning Products Myco Blast is a highly

Myco Blast is a highly concentrated indo and ecto mycorrhizal inoculant

helping control humidity in smaller grow spaces

Aphids (Mult)

yields and general plant vigor in a variety of applications

17_1/8x34_7/8x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Cleaning Products Myco Blast is a highlyNordic 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