Brass toilet adaptor, braided stainless steel hose for extra protection. Description: 3/8 Inch compression by 7/8 Inch adaptor Hose Length: 13.5-inch length Stainless steel braiding on both ends. Brass Adaptor: 7/8 inch - North America 1/2 inch - Asia, UK, Italy, Middle East, Australia 3/8 inch - Europe Compatible with: Boss Bidet Bold Boss Bidet Luxury Tushy, Luxe, Bio Bidet, Brondell, Omigo