Click or scroll to zoom Tap or pinch to zoom BW™ Ultra Gas Detector, 5 Gas, LEL - O2 - H2S - CO - VOCs Each by HONEYWELL $3,325.50 SKU HZ317 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.