The Female Series 21 Coupling with 6mm Hosetail is the perfect solution for connecting your reel hose to your pole hose, making your window cleaning tasks easy and efficient. Made with strong and durable materials, this coupling is built to last and withstand the toughest of conditions. You can rely on its excellent performance and secure connection every time you use it. Get your hands on this high-quality coupling and experience hassle-free window cleaning like never before.