16_3/8x21_3/8x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Air Purification -Blocks all light passage

-Blocks all light passage

With 24000 psi of pressure this unit works great in both commercial and home applications

Agrobrite T5 4' 8-Tube Fixture – 277V Fixture Only

and potpourris

Use on fresh green flower or wait until the drying room is at 57 - 63 percent humidity

16_3/8x21_3/8x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Air Purification -Blocks all light passageNordic Pure Custom MERV 14 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