1MAIN PURPOSE: Air pressure drain unblocker, mainly used for dredging drainage pipes, with easy operation, high efficiency and good practicality. 2EASY OPERATION: Humanized pump handle, with high pressure compressed air, quickly and easily sucks away the most stubborn clogs with a single trigger. 3DURABLE MATERIAL: With ABS plastic handle and natural rubber sealing head, this manual duct unblocker is lightweight and durable, with good sealing effect. 4WITH SPRING: The pneumatic duct unblocker has built in springs to increase the tensile strength, it is not easy to bend and save effort when using. 5MULTIPLE USAGES: Suitable for various pipes dredging, such as toilet pipe, sewer, vegetable sink, bathroom floor drain, etc., with a wide range of applications.