15x30_3/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs Manual & Auto Dimming

Manual & Auto Dimming

Multiple units can also be chained together to cover larger areas

Weight: 29 lbs

Ships on Tuesdays only

Leafminer (Phyllocnistis sp)

15x30_3/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs Manual & Auto DimmingNordic 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