Unbranded 20 Pcs 4mm Dia Straight 2 Way Aquarium Fish Tank Air Line Connecteur

Made of plastic material for long time useSplits or extand your air line hose easilystandard pipe fittings that fit standard 4mm diameter air lines.Aquarium Airline Connectors for mending or extending standard airline hosecolour:transparent whiteMaterial:Acrylicsize:Overall size: 22mmOuter diameter: 4mmInner diameter: 2mmPackage Contents:40 x Aquarium Air Line ConnectorOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.