10x22x1 Exact MERV 10 AC Furnace Filters 6 Pack Sea Green Hydro Grodan A-OK plugs are designed

Grodan A-OK plugs are designed for seed and cutting propagation prior to "blocking on" into larger growing blocks

Hard chrome plated blade is rust-resistant and easy to wipe clean

Automate your feed by inserting the 1/4" barbed nozzle into FloraFlexTM Tubing

Clean in 5 minutes

10x22x1 Exact MERV 10 AC Furnace Filters 6 Pack Sea Green Hydro Grodan A-OK plugs are designedNordic Pure MERV 10 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 10 furnace filters are comparable to HVAC filters with the rating of MPR 900 1000. While different companies