Click to Expand Tap to Zoom Microdot® CO Breath Analyzer Calibration by Cambridge Sensors $199.95 SKU 1000-07 Kit - $199.95 Canister - $99.95 Valve & Tube - $99.95 Kit Canister Valve & Tube Variant 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add To Cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. My Supplies My Supplies 0 Description Description KIT: Includes Control Valve with Tube & CO 12 Litre Canister of CO for use with Microdot Co Breath Analyzer CANISTER: Microdot CO Calibration Can Replacement (12 Liter) VALVE & TUBE: Fits Microdot CO Breath Analyzer Calibration Gas Canister