4/6/8/10/12mm Interface Slip lock Reducing Straight Connector Garden Water Hose Quick Coupling Pneumatic Air Pipe Adapter 6 Pcs~6mm-4mmProduct information:.Product name: Slip-lock Reducing Straight Connector.Connector Interface size 4/6/8/10/12mm interface.Normal Working pressure:0~1Mpa.Low pressure use pressure: -99.99~0Kpa.Highest pressure resistance: 1.3MPa.Operating temperature range: 0~60C.Features: Slip lock Quick-connect.Specification:.1. Diameter 6mm to 4mm.2. Diameter 8mm to 4mm.3. Diameter 8mm to 6mm.4. Diameter 10mm to 6mm.5. Diameter 10mm to 8mm.6. Diameter 12mm to 8mm.7. Diameter 12mm to 10mm.8. Diameter 16mm to 12mm.Packing include:.6 Pcs x Slip-lock Reducing Straight Connector (type as you choose).Features:.1. Quick installation, simple and smart, saves space.2. Various forms to meet the needs of any pneumatic pipe.3. Even after installation, the plastic pipe body can be arbitrarily turned.4.The button adopts an elliptical design, which makes the disassembly more labor-saving and convenient.Note.It is manual measurement, there may be 1-2mm error.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you.