17x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_ps The sticky surface not only

The sticky surface not only eliminates adult pests caught there

while avoiding the risks of inhaling dusty powders

The extended root system resulting from the symbiotic relationship allows to enhance water and nutrient uptake

Advanced safety features including oxygen depletion sensor

Knockbox 3/100 includes:

17x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_ps The sticky surface not onlyNordic Pure Custom MERV 12 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