Disposable suction bags need only one connection and are easily connected without the risk of connection errors. After use, disconnection and closing are quite easy. The bags are equipped with a double-action valve filter. They act as an anti-overflow valve that closes automatically when it comes into contact with fluids. They also act as an anti-bacterial filter. The product is manufactured in polyethylene and polypropylene, without PVC and is characterized as being very resistant.