14_1/2x27_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack controllers Temperature and humidity control to

Temperature and humidity control to monitor and adjust temperature and humidity set points 24/7/365

well-aerated structure—an ideal environment to support the rhizosphere—the area surrounding roots where microbial breakdown of organic matter

We've seen a dramatic reduction in gray mold pressure in our greenhouse tomatoes since we started using it preventatively

Lindorus lophanthae is a black lady beetle that thrives in temperatures of 59-77° F and a relative humidity of 20-90%

14_1/2x27_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack controllers Temperature and humidity control toNordic 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