BT-sealer Bio21 is used to seal PVC tubes. The device is powered by a battarey and is capable of performing more than 700 seals with a full battery recharge. BT-sealer is ideally applicable in lab or mobile donation room with its carrying bag. BT-sealer Power unit includes HF unit, control unit and batteries. The device comes with accessories such as sealing handle, coax cable, battery charger and an optional carrying bag.