Disposable Dual Chamber Adjustable Dose Insulin Pen Injection Pen for Precise Diabetes Care

Factory Direct Sales High Quality Eco Friendly Waterproof Adjustable Dose Disposable Dual Chamber Medical Injection Pen 50iu​ Intuitive and proven twist motion dose dialling and push-button activation for maximum patient acceptance Bayonet connection and sliding for quick cartridge change High quality look & feel Product Features Disposable use Minimum Single dose 0.01ml; Injection of high precision, the error is less than 5%; Compitable 4ml dual-chamber (2ml+2ml) cartridge.