Description: of and high quality metal + plastic,and cleaning, durable.Helps to calf breathing and standing in a manner and reduces calf mortality.Stainless steel , rust, , durable.Practical breathing improve the survival of calves.Resistant, not deform or harden at C, guarantees gas transmission and ensures normal use in low temperature environments.Specification: Type: Calf Breathing PumpMaterial: Plastic + IronUsage: Calf Breathing PumpSize Chart:435x158mm/17.13x6.Package Includes:1 Piece Calf Breathing PumpNote:1. Please slightly error due to manual measurement.2. Due to between different monitors, the picture may not reflect the actual the .3 shopping!