These hose splicers are and easy to install, making it easy to extend and repair damaged hoses, no off or leaks. The hose connector is high-quality PP impact-resistant, will not Our hose pipe connectors are use for hoses with an inner diameter of 12.5mm Hose connectors are suitable for irrigation systems in construction, car washes, gardens, lawns and agriculture. For having an inner diameter of about 12-13 mm, Manufacturer: Osdhezcn