Awesome Value: 12 pieces of coupling connectors set for 1/2” tubing Sturdy and Quality: Made with environmentally-friendly and chemical-resistant materials, it is sturdy and will last very long Ease of Installation: Install without glue, tools, or clamps. Barbed ends grab tubing for a secure leak-proof connection. Multiple Application: Ideal for Use with Garden Greenhouse, Flower Bed, Patio, Plumbing and Agricultural. Recommended: Ideal for 0 to 50 psi operating pressure. KOOL PRODUCTS We are multi-functional company that offers diverse and expanded line of products with immense quality and universal application. KOOL PRODUCTS is a trusted name in the field of Plastic and Rubber Products.