12_1/2x23_1/2x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack AIR FILTER BOXES and 240V input voltages

and 240V input voltages

They remain effective in a wide temperature range from 59°F to 95°F (15°C to 35°C)

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

cucumbers and all sorts of flowers

12_1/2x23_1/2x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack AIR FILTER BOXES and 240V input voltagesNordic 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