17_1/2x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack AIR FILTER BOXES and iron deficiencies

and iron deficiencies

NO DRAIN HOLES – These trays are watertight

Electropolished Dual-Purpose Hybrid Tumbler (3

so you stay cool and comfortable on the job

17_1/2x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack AIR FILTER BOXES and iron deficienciesNordic 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