16x18x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Monitors & Timers 4500 lumens

4500 lumens

Minimum Order Quantity for this product is 4 units

"We installed two units in our flowering room and the odor reduction was noticeable within hours

The full life cycle from egg laying to adult emergence is approximately 22 days

Significant increases in yield have been attributed to the addition of silicon to the feed schedule

16x18x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Monitors & Timers 4500 lumensNordic Pure Custom MERV 12 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