16x36x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack ac-/-dehumidification-/-humidification Can be used from seed

Can be used from seed through post-harvest

Power Supply: 100 - 150W

Phantom Ballast non-dimmable 1000W

Fully waterproof and less fragile than all-glass electrodes because of its tough polypropylene barrel

Citrus Red Scale

16x36x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack ac-/-dehumidification-/-humidification Can be used from seedNordic 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