16_3/8x21_3/8x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack additives all of which can contaminate

all of which can contaminate a hydroponics system

• Processes 16-20 lbs per hour

pH is a measurement of the acidity or alkalinity of your water or nutrient solution on a scale of 0-14

Daisy Chain assists growers to connect multiple lights together with fewer outlets

See Shipping Info for details

16_3/8x21_3/8x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack additives all of which can contaminateNordic 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