18x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl_bfg For more information about Phat

For more information about Phat Filters visit www

Schaefer oscillation technology

47 inches) wide and are adjustable to 178 mm (7 inches) long

Acrobat Ants

18x28x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl_bfg For more information about PhatNordic 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