Threaded PP Reducing Bush – 2″ to 1″ Our polypropylene threaded reducing bushes are high density plastic moulded fittings for a variety of industries. 2″ (50mm) reducing bush converts to 1″ (25mm). This fitting is popular for reducing the size of a 2″ outlet on a standard IBC/Flowbin with adapter. Made in South Africa Specifications (Reducing bush, 2″ x 1″) Nomination: Male ⌀/ Female ⌀: 2″ / 1″ Material of construction: PP Thread pitch: BSP Type: Reducer