24x24x1 Pleated MERV 14 Air Filters 3 Pack HVAC & HOME VENTILATION and each Master Mat can

and each Master Mat can handle up to 3 Add-Ons

Cultilene rockwool 35 x 35 x 40mm Square (Case of 18 trays)

Natural root growth solution

With its deliberate blend of distinct plant nutrients

Eliminates "hot starts" after power interruptions to avoid damaging equipment

24x24x1 Pleated MERV 14 Air Filters 3 Pack HVAC & HOME VENTILATION and each Master Mat canNordic 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.