18x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Monterey Lawn & Garden Products Take full command of your

Take full command of your grow room lighting with precision and ease

Bloom 3'X3'

Excellent choice for Integrated Pest Management (IPM) programs

Leafminer (Phyllocnistis sp)

18x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Monterey Lawn & Garden Products Take full command of yourNordic 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