8x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Tubing Soft ear loops for a

Soft ear loops for a comfortable fit

Increases Growth

5 to 15 SCF/Hour

A curved drainage grid with wider channels simplifies cleaning while newly engineered corner gussets allow for greater support

RDWC and Other Recirculating Hydroponics Systems:

8x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Tubing Soft ear loops for aNordic 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