Silicone Tube 3mm ID X 5mm OD 39.3 Feet Flexible Silicone Rubber Tubing Water Air Hose Pipe Translucent for Pump Transfer Check Valves Long lead is positive end

Long lead is positive end and the shorter one is the negative end

it is easy to push down and release

It is shock absorption

Ideal accessory

Silicone Tube 3mm ID X 5mm OD 39.3 Feet Flexible Silicone Rubber Tubing Water Air Hose Pipe Translucent for Pump Transfer Check Valves Long lead is positive endThis soft, flexible tubing is designed for a variety of pump and transfer applications. It is made of silicone rubber which is nonreactive, flexible, and resistant to high temperatures. The tubing can withstand temperatures from 76 to +428F. The thickness of tube = ( OD ID ) 2 Uses: Siphoning & draining; Water oil change; Machinery connecting pipe; Electrical equipment, such as the casing;