1. Material: plastic 2. Strong air pressure 3. No power supply, suitable for various pipes 4. Physical system, easy to use 5. Lengthen the air cylinder, the gas storage capacity is large and the dredge is fast 6. The vacuum pull tube and large suction cup can be freely disassembled and used 7. Purchase stainless steel, and give another floor drain dredging set 8. Dimensions: 16x45 cm 9. Weight: 350g
