10x33x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Hydro Components High humidity will interfere with

High humidity will interfere with the filters ability to adsorb odors

Anyway you use it

other insects consume them and the poison is spread to other parts of the pest population

• 8" bucket basket to hold your choice of growing medium

PVC priming discharge tube

10x33x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Hydro Components High humidity will interfere withNordic 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