6x20x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack nutrient-combo Specifically designed for high-frequency electronic

Specifically designed for high-frequency electronic ballast

CONNECTING ADDITIONAL UNITS

500 ML Bottle @ ~

Helps plants regulate water use and better tolerate heat & drought stressors

Knockdown and Preventive Control of Soil Dwelling Fungus Gnats

6x20x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack nutrient-combo Specifically designed for high-frequency electronicNordic Pure Custom MERV 10 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