16x26x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack MH Start by pre-mixing the product

Start by pre-mixing the product with a small amount of water and gradually mix in more water until the desired dilution rate is attained

cultivate habitats that encourage adult lacewing to reproduce and remain in the release area

a battery symbol appears on the LCD to advise the user that only a few hours of working time is left

ensuring harm-free use in indoor heating applications

Scientifically formulated for superior plant nutrition

16x26x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack MH Start by pre-mixing the productNordic 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