15x9x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl_hi Big Boy - 20" x

Big Boy - 20" x 4

happier plants and energy savings from increased A/C efficiency

1 x 1L Remo's VeloKelp

• ENGINEERED BY EXPERTS IN LAMP-BALLAST COMPATIBILITY

15x9x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl_hi Big Boy - 20" xNordic 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