30x30x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl_jondon Tribus is safe for fertilizer

Tribus is safe for fertilizer injector systems and has been used and tested on large scale crop fields and hemp production fields

• High aerodynamic efficiency

and filters your trim while allowing the user to adjust the way in which it trims for wet and dry product for different strains

Made from EPA Section 25-b exempt ingredients

Robust commercial design

30x30x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl_jondon Tribus is safe for fertilizerNordic 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