The Sanha 28mm Purapress Union with Ft seal is a type of plumbing fitting used for joining two pipes together. The fitting has a diameter of 28mm and is made by the Sanha company, a manufacturer of plumbing and heating systems.

The Purapress Union part of the name refers to the type of connection it uses, which is a press fitting system that creates a secure joint without the need for soldering or threading. This can make installation quicker and easier.

The Ft seal part of the name refers to the type of sealing mechanism used in the fitting. This seal is made of a special material that is resistant to high temperatures and pressure, ensuring a tight and leak-free connection.

Overall, the Sanha 28mm Purapress Union with Ft seal is a reliable and efficient plumbing fitting commonly used in residential and commercial plumbing systems.