1x John Guest 3/4" Female BSP to 3/8" Push Fit Speedfit Adaptor. This adaptor is widely used to connect 3/8" push-fit tubing to a standard 3/4" BSP female threaded port. Typical applications include: Mains water supply connections to coffee machines, espresso machines, and bean-to-cup machines. Water filters and inline filtration systems. Water dispensers and coolers. Reverse osmosis systems. Commercial and domestic plumbing where a BSP to push-fit conversion is needed. Made by John Guest from food-safe Acetal Copolymer. Simply thread the 3/4" BSP end onto your water supply valve or tap, then push your 3/8" tubing firmly into the Speedfit end for a secure, tool-free connection.