HIGH QUALITY: Water Circulation Frame: rotatable degrees, the effluent out evenly and finely, water outlet no blockage, no partial air, no oblique water.UNIVERSAL USE: 21 water outlets, the outlet hole diameter is 2mm, and the hole spacing is 2cm. Hair Salon Shampoo Basin Equipment is for most spa beds.EASY TO USE:Head Treatment Shampoo Basin Equipment is convenient and flexible to use. Professional manufacturing, stable performance, has a long service life.HEAD WASH:Hair Salon Head Shower Equipment is suitable for hair salons and barber shops to provide customers with a comfortable experience.PREMIUM MATERIAL:Head Treatment Shampoo Bed Accessories are made of aluminum alloy, sturdy and durable, and can be used with confidence. Specification: Material: Aluminum AlloySize: 39.2cmx43.5cm/15.43inchx17.13inch Package Includes: 1 Water Circulation Frame Note: Please allow slightly errors due to manual measurement and different monitors.