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 GPG37100 Filter, Support Pads, Cellulosic, 37mm, 40.0µm, 10 Price on request 800250 Triple Variable Manifold Kit (Includes 6x70mm, 7-1 Price on request 201050-100 Filter, Replacement (Packg of 100), GilAir-3/GilAi Price on request