The Wave Spa Replacement Inflation Hose (Used) B127 is a black plastic hose made by the Wave Spa brand. This unit is designed specifically for installation in hot tubs and swimming pools, providing a reliable and durable option for maintaining proper water circulation. Made in China, this hose comes as a single set and is suitable for various garden and patio applications. It is a must-have accessory for maintaining the functionality of your Wave Spa hot tub.