8_1/2x30x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack grow media humic acids derived from leonardite

humic acids derived from leonardite

• 3” x 24” sleeved material column

2 Quantanium coated non-stick tumblers and an industrial strength 4 hp leaf collector system with over 3000 CFM of suction power

• Adjustable Speed Settings

· Accepts most standard E39 Base HID lamps from 250W-1500W

8_1/2x30x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack grow media humic acids derived from leonarditeNordic Pure Custom MERV 10 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