16_1/4x21_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack -monitors-&-timers disinfectants and deodorizers

disinfectants and deodorizers

essential for coco based grows

• KDF85 media added into carbon pre-fiter (for chloramines and heavy metal reduction)

and start a hydroponic garden anywhere

Airflow Rating 200 CFM

16_1/4x21_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack -monitors-&-timers disinfectants and deodorizersNordic 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