17x25x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Water Filtration Psyllids (Psyllidae)

Psyllids (Psyllidae)

Flange kit and cap sold separately

this organic product will give you effective

/High 85% PPF maintenance at 20

greenhouses

17x25x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Water Filtration Psyllids (Psyllidae)Nordic Pure Custom MERV 13 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