18x18x1 Pleated MERV 13 Air Filters 6 Pack grow-systems-trays-reservoirs Four Seedling Trays - providing

Four Seedling Trays -  providing both auto-watering capability and aeration in one great tray

Dimmable Control – 100–600W dimming range lets you dial in the perfect intensity for seedlings

Minimum order quantity to be added of 4 pieces

Store for a few weeks to fully colonize the bag of grain with mushroom mycelium

18x18x1 Pleated MERV 13 Air Filters 6 Pack grow-systems-trays-reservoirs Four Seedling Trays - providingNordic 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