Pack of 50-Quatro AG055 Stand-up Dust Collector 1st Stage Pre-Filters

These are the 1st stage pre-filters, Quatro part number AG055, used in Quatro SPU Stand-up Dust Collectors that have a rectangular shaped bottom collection port.  Sold in a pack of 50 or a master carton of 500, see part number 147.610B.

These filters are no longer used in current Quatro SPU units. Quatro has moved the collection port to the back of hoods from the bottom of the table.