17x27x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack 9 CFM 14 x QDPS Multi Flow

14 x QDPS Multi Flow | 1" T

Our grow room glasses provide true color in bright lighting and are optimized for each of the standard grow lighting spectrums

Improves and regenerates beneficial soil microorganism population

Also due to the micelles ability to biodegrade

Rugged and durable with waterproof connectors

17x27x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack 9 CFM 14 x QDPS Multi FlowNordic 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