This new precision TEC-3 style vaporizer offers calibrated dials with detents and safety lock, large window. Output is not affected by temperature, flow rate, liquid level or back pressure fluctuation. Calibrated at 21°C and 35°C Calibration range: 0.25%, 0.5% through to 5% v.v. in 0.5% increments. 125ml Capacity - Amount retained by the wick system - 35ml. Heavy duty chrome plated brass construction for durability and long-term use. Weight: 6.8kg. Optional key-fill model available. For veterinary use only. Three year warranty. MADE IN USA.