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UV Layer: Protecting against UV rays is critical for preventing degradation of your crop
ensuring harm-free use in indoor heating applications
more durable CPVC shell material provides excellent chemical resistance
Includes detachable 12-foot precision probe that is water resistant
Your plant will produce generous and strong roots
16_1/2x21_5/8x1 Exact MERV 12 AC Furnace Filters 6 Pack grow media UV Layer: Protecting against UVNordic Pure MERV 12 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different