9x27x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack drying-racks Please note that this model

Please note that this model does not have wattage output control (dimming) and is not PX1-compatible

Bollworm (Helicoverpa zea)

The perlite also helps salts make their way to the bottom of the pot and out of your medium

unlike competitors

9x27x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack drying-racks Please note that this modelNordic Pure Custom MERV 7 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