13_1/4x13_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Monterey Lawn & Garden Products 72 (pound)

72 (pound)

even when wearing shorts

【Coverage Area】Perfect for 5’x4’ vegetative coverage at 28” and 5’x3’ flowering coverage at 24” height

· Correlated Color Temperature (K) - 3100

NPK: 0 - 0 - 13

13_1/4x13_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Monterey Lawn & Garden Products 72 (pound)Nordic 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