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Designed to penetrate 10’ above canopy
The heat mat improves germination by warming the root area 10-20°F over ambient temperature
You can trust in the Chemboys name
compared to hand trimming
21 1/2x26x1 Exact MERV 12 AC Furnace Filters 6 Pack timers-and-instruments Designed to penetrate 10’ aboveNordic 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
