Description: Connect and convert hose inner diameter of 12mm and 16mm. With hose fastener node to prevent chance of hose loose. This product is used for pipe switching. Material: Plastic Length:approx.8 cm/3.15 inch;Big Hole Inner Dia.Approx.1.2 cm/0.47 inch;Small Hole Inner Dia.Approx.0.9 cm/0.35 inch Package Includes: 1 Piece Aquarium Hose Adapter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement
