22x30x1 MERV 13 AC Furnace Filters 6 Pack ventilation Connectable for variable lengths

Connectable for variable lengths

Excellent for hydroponic nutrient testing

- Protects plants by turning off lighting or CO2 generators when temperature is too high

The Flower Tower Dry Racks with clips includes six to eight support straps depending on the size of the top rack and clips on every level

• PumpGuard should be used annually or for heavier fish loads

22x30x1 MERV 13 AC Furnace Filters 6 Pack ventilation Connectable for variable lengthsNordic 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