16_1/2x21_5/8x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack LUXX Bar The trays and reservoirs are

The trays and reservoirs are all formed from custom molded

The new 4-in-1 sensor comes with a LCD screen which

If you have Spider mites

They feature unique

16_1/2x21_5/8x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack LUXX Bar The trays and reservoirs areNordic 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