17_1/8x26_1/2x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack grow media Clearly marked expiration date and

Clearly marked expiration date and lot number

5-inch non-slip grips

Precision German glass filter lens with our patent pending Rendition Perfect Color HPS technology

MERV 10 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 900-1000

17_1/8x26_1/2x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack grow media Clearly marked expiration date andNordic 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