12_3/4x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Hydro Components and marine life

and marine life

Dimension for Hot air tube Ø 8 inch

enhancing its availability in the solution and allowing efficient absorption by the plant

great for use with air or water

12_3/4x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Hydro Components and marine lifeNordic 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