12_1/2x23_1/2x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack AIR FILTER BOXES This product is even strong

This product is even strong enough to fight skunk spray and cat urine

) and vegetables

It does not change the taste or smell for humans or livestock

then water pots or affected soil

12_1/2x23_1/2x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack AIR FILTER BOXES This product is even strongNordic Pure Custom MERV 14 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