8_7/8x19_1/8x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack grow-light-reflectors Each Nordic Pure 4” MERV

Each Nordic Pure 4” MERV 13 air filter will capture more than 90% of 1

You can set it to spray only in the dark (low light) or during the day (when lights are normally on)

NO artificial pesticides or fungicides

6-Feet (50cm) by 1

Automatic Shut-Off - The meter can be set to automatically turn off after 8 minutes or 60 minutes to conserve battery life in the event that the meter is left on

8_7/8x19_1/8x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack grow-light-reflectors Each Nordic Pure 4” MERVNordic Pure Custom MERV 8 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