17x28x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack spl_fluence The 8-bar configuration allows you

The 8-bar configuration allows you to mount this light source in low rooms

increased nutrient uptake and more resilient plants

It can be used in conjunction with a variety of fertilizers

DE bulbs are more efficient than standard bulbs

and affordable

17x28x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack spl_fluence The 8-bar configuration allows youNordic 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