Model No. BBS 200-The unit is heavy duty & Based on RF 40.63 MHz Di-Electric heating without damaging the Blood cells. Specially designed for sealing the blood bag of upto 6mm dia.A low voltage importated plunger is provided for effective sealing automatically by placing the blood bag tube in the plunger with a sealing time from 0.5 sec to 3 sec and a wide seal of 2mm thickness.