To use simply place any FloraFlex® Insert Tray into the Bottom Tray
Measures grow lights or sunlight
• 6" x 13" UL Listed Heat Mat
• Breathable fabric means superior drainage and aeration
18x25x1 Pleated MERV 13 Air Filters 24 Pack tents-/-indoor-greenhouses To use simply place anyNordic Pure MERV 13 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 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200