The Watson Marlow 033.4411.000 314D Pumphead 4 Roller is a precision medical laboratory pump designed for use with 1.6mm Watson Marlow tubing. Made by the reputable brand Watson Marlow, this pumphead features a durable construction and reliable performance for precise and efficient fluid handling in a variety of medical and laboratory applications. With its 4 roller design and smooth operation, this pumphead is a valuable addition to any healthcare or research setting.