17_1/8x26_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack covid-19 Grow1 Heavy Duty Greenhouse Replacement

Grow1 Heavy Duty Greenhouse Replacement Cover for Hoop House SKU 641232

3-prong grounded plug

Once ingested

Trichogramma brassicae is especially useful for controlling moth populations on cole crops

these weed barrier mats will reduce the need for any herbicide use among your crops

17_1/8x26_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack covid-19 Grow1 Heavy Duty Greenhouse ReplacementNordic 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