This is a brand new, genuine Samsung R307 Imaging Unit MLT-R307 for ML-451x/501x printers. The package is still factory sealed and has never been opened. It is compatible with Samsung printers and is designed to provide high-quality laser printing. This unit is a perfect replacement for your old or worn-out imaging unit. It has been manufactured in China and is in compliance with California Prop 65 regulations. This unit does not come with any custom bundles and is sold as a single unit. Buy with confidence and enjoy the high-quality printing experience that Samsung is known for.