Product description Product Name: Pneumatic Blowpipe Dredger Product model: Yijiatong GQ-4 Size 180 * 533mm Pipe diameter: 30-130mm Air chamber size: 118-350mm Product press weight: 0.7MPa3.9KG Quality upgrade Millions of scientific research inputs, tens of thousands of experimental tests It is more labor-saving, thickening and thickening the gas cylinder. It only needs 25-30 or so to increase the pressure to 0.4MPA. The quality is reliable, high-density and large-capacity gas storage cylinder, with higher pressure resistance and stronger dredge capacity. With it, you don't have to use your ass to fish! Dredger host The main engine provides boosting, storing high-pressure gas and one-button deflation, which is the core of the dredging pipeline. Connecting hose If the operation of the nozzle, the space above is insufficient, a gun can not directly clear the operation, you can use the extension tube to extend to the nozzle to clear Package Included: 1*drain buster