12x14x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack cloning-and-seed-starting 7 μmol/J• Plug and Play

7 μmol/J• Plug and Play for a quick installation• On-board Dimming and Adjustable Spectrum• External Controllability with 256 fixtures per channel• Group Control Capability

Medium - Case of 12 sleeves (12 units per sleeve)

• Extremely high levels of organic nutrients

With a dual flange design

operation frequency and strike voltage

12x14x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack cloning-and-seed-starting 7 μmol/J• Plug and PlayNordic 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