Speedfit push-in fittings was pioneered by John Guest of the John Guest Group of Companies. PlumbNation advises there are many millions of their fittings in service around the world. John Guest is the world's leading manufacturer of high quality push-in fittings, pipe and plastic plumbing systems. Through PlumbNation Speedfit offer a comprehensive range of over 3,000 products addressing virtually every tubing and pipe connection requirement imaginable. These Speedfit plumbing products are supplied to a wide variety of plumbing and heating industries. PlumbNation recognises the benefits in labour saving and reliability.