15x23x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack growing-accessories Cockroaches (Mult)

Cockroaches (Mult)

the top and bottom sides feature flanges that are curved back not only for added strength

Nordic Pure 12x24x2 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

flat surface making them perfect for writing on

The 4-20 mA output can be configured for PID control

15x23x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack growing-accessories Cockroaches (Mult)Nordic 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