15x30_3/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack 9 CFM Pleated design makes it easier

Pleated design makes it easier for you to take one

providing the same sun-like qualities plants love without the negatives of high energy requirements and high heat

Enhanced calcium for coco coir

humidity and CO2 control

A hog ring type staple binds the string together Then slide the ends of your tying material through the cutter Staples and blade required

15x30_3/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack 9 CFM Pleated design makes it easierNordic 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