Product Description 
 Gas rod is mainly used for coal mine watts inspector can not contain harmful gases to enter the workplace, through specific length receiver stick "to the harmful gas gathering, sampling, to draw relevant gas concentration detected by the instrument. 
 This product is simple to use, easy to carry, retractable rubber tube with a 5 × 8, one the receiver stick "gas nozzle connected to the other end of the instrument or set of balloons bile connection can be used. 
 Technical Specifications 
 Gas rod 1.5 m, 2 m, 2.5 m, 3 m, 3.5 m, 4 m, 5 m, can also according to customer needs customized, also known as: gas test stick, gas exploration stick, gas receiving stick, gas detection rod.