AG Industries Respironics Series Q pollen foam filter replacement, part number AG1063091, in black. Condition: Open package replacement filter; foam is clean and unused, original bag opened and creased from storage. Designed for use with Respironics Series Q respiratory equipment that accepts this pollen filter style. Brand: AG Industries Type: Other daily living aid / respiratory accessory Color: Black MPN: AG1063091 Lot #: 032917PW as printed on the original packaging; labeled 1 filter per package. Original plastic bag with AG Industries branding is included; all photos show the actual item for sale.