25x32x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack DUCTWORK The Max-Fan® Pro Series is

The Max-Fan® Pro Series is even more efficient and stronger than the original Max-Fan® design

and elicit a greater flavor and nose

Tundra can be tank-mixed with aqueous nutrient solutions and/or applied directly to plant roots at the

providing nutritious light for all phases of growth

ROOT 66 can be applied to soil

25x32x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack DUCTWORK The Max-Fan® Pro Series isNordic 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