17_1/4x29_1/4x1 Exact MERV 14 AC Furnace Filters 6 Pack pots-containers Guard includes 2 holes to

Guard includes 2 holes to mount or attach to a lanyard

Total Grow Control's combination sensors have been completely modernized with several major upgrades

The water pressure forces the solution downstream

Remove large leaves or cut them in half to help prevent water loss through transpiration

• Appropriate number of seed balls

17_1/4x29_1/4x1 Exact MERV 14 AC Furnace Filters 6 Pack pots-containers Guard includes 2 holes toNordic 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.