Features: 1.Silent work and has low work noise. Stable working performance and great working condition. 2.Wide range of application. Suitable for aquarium, chemicals, liquids, dosing additives.3.The pump head designed for easy disassembly, easy to clean and maintain. 4.This product has been used in the field of experimental, biochemical analysis, pharmaceuticals, fine chemicals, biotechnology, pharmaceutical, products, ceramics, water treatment, environmental protection, the powder and soo on.5.You can control the flowing direction by the positive and negative connection, simple to operate. Product Description 100% brand new and high quality Can disconnect the airflow quickly Fits most 1/8 size airbrush and hose Suitable for installed between the airbrush , connected trachea and air pump, Suitable for most airbrushes and hoses with 1/8" size fittings Materiral:Alloy Length:1.8 cm（approx.) Color: Silver Package Includes: 2Pcs Airbrush Quick Disconnect Coupler hose .