15x30_3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack growing-accessories the wings may be adjusted

the wings may be adjusted to more narrow settings and positioned further from the plants to suit the light and heat requirements of more sensitive plants or plant stages

Protect your plantings with Safe-Grow Greenhouses

without releasing byproducts into your water supply

Qty: 2 Rolls per Box

15x30_3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack growing-accessories the wings may be adjustedNordic 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