25x29x1 MERV 12 AC Furnace Filters 6 Pack Aeromixer Synthetic Pro Edition These paper-wrapped Mini Blocks are

These paper-wrapped Mini Blocks are designed for seedlings and cuttings

No drainage holes

30%) makes it a valuable humidity reservoir: water is stored in the internal porosity of the clay granules and is slowly released to the plants

• Lower heat output—reducing cooling costs

carbohydrates and nutrients to make them readily available and useful to the plant

25x29x1 MERV 12 AC Furnace Filters 6 Pack Aeromixer Synthetic Pro Edition These paper-wrapped Mini Blocks areNordic 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