8x18x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Water Filtration Non-approved cables could cause errors

Non-approved cables could cause errors and disrupt the signals to your lights

SNS 203's concentrated active ingredients attack fungus & algae and cause pests to dehydrate and dry up

The door is lined with a soft neoprene layer that keeps the filter in place

7 x Flora Clip 2

8x18x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Water Filtration Non-approved cables could cause errorsNordic 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