Click to expand Tap to zoom 16-13mm Straight Reducer Silicone Hose by Silicon Hoses Sale $25.00 | / Blue Hoses - $25.00 Black Hoses - $25.00 Colour Blue Hoses Black Hoses 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Large diameter: 16mm (5/8"). Small diameter: 13mm (1/2"). Overall length: 100mm (4"). Wall thickness: 3.5mm (1/8"). Layers of reinforcing fabric: 3 . Reinforcing material: Polyester. Liner: Silicone. Operating temperature: -40°C to +180°C.