12x26_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack coco-cubes Features a collar on the

Features a collar on the backside to attach ducting to the mounted grille

but hard on weeds

Be sure to start off with a lower dosage rate and gradually work up to the full strength dosage rate based on your plant’s growth response

This impressive OMRI Listed biological fungicide is based on a naturally occurring

12x26_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack coco-cubes Features a collar on theNordic 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