Our standard check valves are available in two sizes

The first is 7.3 standard check valve, suitable for the assembly segment size of 7.3mm products, suitable for anesthesia mask, sputum suction tube, tracheotomy intubation, latex double-cavity catheter, tracheal intubation and other products.

The second is 7.0 standard check valve, suitable for the assembly segment size of 7.0mm products, suitable for anesthesia mask, sputum suction tube, tracheotomy intubation, latex double-cavity catheter, tracheal intubation and other products.