8x12x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack vacuum Big Foot Concentrate is the

Big Foot Concentrate is the next generation of mycorrhizae that will supercharge your grow

Apply every 7-14 days for prevention

12 5-gallon bucket modules (each holds 13L of clay pebbles)

Broad white light with an enhanced red spectrum which helps intensify terpene

edible flowers

8x12x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack vacuum Big Foot Concentrate is theNordic Pure Custom MERV 13 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