Ocean Reef Extraflex Quick Connect Hose - Black 32 Inch - male adapter includedThis product is designed to be highly durable and flexible, allowing for easy maneuverability. It features a 4 layer technology for added strength and protection. The internal coating is made from a non toxic polyurethane mix, while the external layer is reinforced with polyester and thermo rubber. Additionally, it has a polyethylene finishing reinforcement for added durability.