13x20x1 Exact MERV 13 AC Furnace Filters 12 Pack Ventilation • Outputs 22 - 46

• Outputs 22 - 46 microns particle size—average droplet 20 micron

LED chipset: 102pcs 5000k+104pcs 3000K+6pcs 660nm+2pcs 740nm+4pcs 395nm

Happy Frog Tomato & Vegetable Fertilizer also contains calcium which helps prevent blossom end rot and boosts stronger cell walls

design capabilities

• Building block element

13x20x1 Exact MERV 13 AC Furnace Filters 12 Pack Ventilation • Outputs 22 - 46Nordic 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