28x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Emitters (OPTIMAL- Use a plant propagation

(OPTIMAL- Use a plant propagation kit with a clear humidity dome

We take the highest quality coir available

Place over your shoulder

making the growth chamber excellent for small scale isolation research

28x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Emitters (OPTIMAL- Use a plant propagationNordic 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