8x12x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack lighting-systems/kits THDI: <10%

THDI: <10%

the HI981030 GroLine Soil pH Tester is designed for taking direct pH measurements in soil for environmental and agricultural testing

-54 Watt Bulbs

The stainless steel blades and rugged construction make it perfect for commercial farms

8x12x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack lighting-systems/kits THDI: <10%Nordic 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