20x23x1 MERV 13 AC Furnace Filters 6 Pack AIR FILTER BOXES Fuel Tank Capacity: 1

Fuel Tank Capacity: 1

The inlet transition comes with a filter access door for ANDEN Dehumidifier Model: A320V1 & A320V3

You should always measure your current filter or the housing to make sure the actual size correlates with the filter you are ordering

This kit contains 4" flanges that will allow you to set  up air-cooling of two Powerhouse ballasts or a Daystar DAUN reflector

B-Lite Master Zone Controller (Not Included)

20x23x1 MERV 13 AC Furnace Filters 6 Pack AIR FILTER BOXES Fuel Tank Capacity: 1Nordic 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