GilAir Plus, DL to STP Upgrade (factory only) Back Catalog number: 811-0945-01-R Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-1004-02 PM-10 Impactor Kit, Replacement for Models 810-100 Price on request 375-0019-01 GilAir Plus Shoulder Bag/Carrying Pouch, soft side Price on request 811-0940-01-R Inlet Filter Replacement Housing for GilAir Plus Price on request