17_3/8x35x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Plant Care/Pest & Disease Control such as a truck compartments

such as a truck compartments or storage rooms

Bluelab pH 7 and Bluelab pH 4 Solution Sachets are now included

and protein synthesis

Great White is a cutting-edge formula containing a highly concentrated and diverse blend of beneficial microbes

Designed and made in USA

17_3/8x35x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Plant Care/Pest & Disease Control such as a truck compartmentsNordic Pure Custom MERV 8 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