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Feature

Material: PVC, Metal
Overall Siz: 11 x 4.5cm/ 4.3" x 1.8"(L*D)
Air Hole Diameter: 3mm / 0.11"
Weight: 40g

Description

Used for Medical instrument accessories, eg, sphygmomanometer,Air Neck Traction,also used for inflatable bag.
Manual style, easy to use, with adjustable function.