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 GCU37500PVCMW Cassette, 37mm 3pc 5.0µm, PVC Matched, (50µg), 50/ Price on request 811-1604-NO Gilian 12 Power Module, No Cord Price on request 910-1301-NO Gilian 800i,Starter Kit, No Cord Price on request