17x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack hand-tools Kills mosquitoes before they're old

Kills mosquitoes before they're old enough to bite

9% Isopropyl alcohol has the fastest evaporation time

the new IP67 body ensures top performance in any environment

Unique aeration channels for improved root health

More about Hydrologic GroGreen Water Filter for Garden Hose:

17x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack hand-tools Kills mosquitoes before they're oldNordic 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