8x10x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack environmental Apply RootShield Plus WP directly

Apply RootShield Plus WP directly to seeds

Covers the porthole so that evaporation of the nutrient solution is minimized

while protecting plants from transplant-related shock

As a foliar spray

8x10x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack environmental Apply RootShield Plus WP directlyNordic 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