16_3/8x21_3/8x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack complete-systems - Adjustable wings

- Adjustable wings

to effectively reduce heat load

Insert your cutting into the hole on the top of the Incubator™ Plug

promotion of a healthy root system

Optimum inputs

16_3/8x21_3/8x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack complete-systems - Adjustable wingsNordic Pure Custom MERV 10 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