Demountable Ball Valve Single Union 1.1/4" BSP Female Threaded Hose-tails Fit 1.5" 1.25" 1" Flexi Pipe Barbed Reducers Threaded Connectors Flexible Hose Pipe Koi Pond House Garden Marine Boat. Carole & Ronnie Hewitt have been keeping koi for over twenty five years now and are very much involved in all aspects of koi keeping.
eBay