16_1/4x21_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack LUXX 200W BAR 208-277V Containing an inline mixed-flow design

Containing an inline mixed-flow design

– Cleaner reservoirs

but its thinner walls allow heat to transfer out and away from the roots more rapidly

• Optimally Balanced: Nutrients are in their most plant-friendly form and are balanced to maintain an optimal pH

or working a commercial site

16_1/4x21_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack LUXX 200W BAR 208-277V Containing an inline mixed-flow designNordic 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