25x30x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Ventilation Due to the natural taper

Due to the natural taper of the saucer

Recommended for: Home grows

and excessive PPM (2000+)

Painted tip lamp works great with GreenBeams reflectors

Suggested Uses: For use on ornamentals (bedding plants

25x30x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack Ventilation Due to the natural taperNordic 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