8x8x1 Exact MERV 13 AC Furnace Filters 6 Pack LUXX 200W BAR 208-277V Notice the "W" in the

Notice the "W" in the second version

so you will not introduce diseases into the garden or greenhouse

The DSH modules are rated @ 10-amps

No "product stacking" required

Assembled Dimensions - 23" x 18" x 17"

8x8x1 Exact MERV 13 AC Furnace Filters 6 Pack LUXX 200W BAR 208-277V Notice the "W" in theNordic 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