Type: Multi-function turbine, medium-sized head, metallic casing, ball bearings. Version: Robust turbine head & body lightened at the coupling end for easier handling. Bur locking: Large, easy-to-operate button. Spray: Single spray, generated by separate air & water outlets for maximum effect. Connection: The new B standard bayonet connector: economic & lightweight, of highly resistant synthetic material; models for 2-3 or 4 hole couplings with non-return valves. Weight: Turbine and coupling, 44 g. Turbine only, 38 g. Air flow: 29 standard litres/min. with 4 hole coupling. 32 standard litres/min. with 2-3 hole coupling. Air pressure: 2.5 bar in normal use. Speed: Up to 310,000 rpm Sound level: 66 dBA for 4 hole coupling. 69 dBA for 2-3 hole coupling. Drill: Dia. 1.59 to 1.60 mm, type 3 as per ISO 1797, maximum length 21 mm, codes 4 to 5 as per ISO 6360/1. Cleaning: Bien-Air Spraynet recommended. A universal spray for cleaning turbines, couplings & tubes. Lubrication: Bien-Air Lubrifluid spray. Turbine Sterilization: In sterilizer up to 136°C (277°F). B standard couplings must not be sterilized. Guarantees: Eolia Turbine-12 months. B standard coupling-6 months.