Feature: 1. The plastic hose barb is made of high quality plastic material, firm and durable. 2. One piece molding, good sealing, transparent without black spots, smooth without burrs and glue mouth. 3. The product belongs to plastic hose barb accessories, and suitable for all kinds of water pipes, hoses and silicone tubes. 4. Easy to install and use, the plastic hose barb can be easily connected with the water pipe hose. 5. One thing is multi purpose, used in many places, such as aquariums, fish tanks, water pumps, etc. Specification: Item Type: Plastic Hose Barb Material: Plastic Product Size: Length: Approx. 65mm/2.5in The Inner and Outer Diameters of Both Ends: Outer Diameter Approx. 5mm/0.19in Inner Diameter Approx. 3mm/0.11in Outer Diameter Approx. 8mm/0.3in Inner Diameter Approx. 6mm/0.2in Compatible: For Water Pipes, Hoses, Plastic Pipes, etc. . Package List: 2 x Plastic Hose Barb Note: Error 0.5‑2mm/0.01‑0.07in.