16x36x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Cone Filler Convenient elastic band easing installation

Convenient elastic band easing installation of the prefilter

The first digit indicates the number of tubes (5 = 5-tube unit)

Numbers of control channels- 3

fit the Circulator into the center holes

5x5ft(veg) grow space

16x36x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Cone Filler Convenient elastic band easing installationNordic 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