Bottom heat is one of the most important and effective ways to improve germination and rooting
Ants (excluding fire and Pharaoh ants)
Repeated releases of adults will be necessary in the presence of low temperatures
1 year on bulb
• Scalable capacity design
21_1/2x23_3/8x1 Exact MERV 14 AC Furnace Filters 6 Pack spl_hlg Bottom heat is one ofNordic Pure MERV 14 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, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.