Specification: Item Type: Swing Pipe Coupling Material: PP Size (optional): 16mm By-pass: Approx. 5.5cm / 2.2in 16mm Straight-through: Approx. 6.5cm / 2.6in 16mm 3-Ways: Approx. 6.5 x 4cm / 2.6 x 1.6in Specifications: 16mm tube diameterOptional Style: 100Pcs 16mm By-pass, 100Pcs 16mm Straight-through, 50Pcs 16mm 3-Way Package List: 100Pcs By-pass Fittings or 100Pcs Straight-through Fittings or 50Pcs 3-Way Fittings Easy to Use: Easy to use, just connect PVC / PPR / PE pipe, jumpstart your drip irrigation system installation with this set of essential components for building a maintenance-free drip system. Replace The Old Directly: Fine workmanship, can be directly used to replace various nozzles that are damaged. Meet all the needs of garden irrigation parts. Easily Installed: Small size and easy connection, it is a necessary accessory for the adapter. Secure and easy installation without glue, tools, or clamps. Simply push the tubing firmly over the barbs for a very tight fit that won't leak. Durable Material: High-quality PP material, more durable and more resistant to aging, strong, water resistant, chemical-resistant materials to assure long life. Scope of Application: Available in three styles for choices. Ideal for use with raised garden beds, residential, farm, lawn，greenhouse gardening and agricultural watering applications.