Hex Key, 2mm Back Catalog number: 380-0036-01-R Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 201050-100 Filter, Replacement (Packg of 100), GilAir-3/GilAi Price on request 385-0115-01 Nephelometer O-Ring, Replacement Price on request 800485-111-01 GilAir-3 R Pump, No Battery Price on request