Revaclear is a high passability capillary filter with a synthetic membrane of alloy Polyaryl ether sulfone and Polyvinylpyrrolidone (Poracton) suitable for classic hemodialysis and its variants. Available on a membrane surface of 1.4m² with coefficient Kuf: 34,2ml/mmHg/h/1.0m² , 1.8m² with coefficient Kuf: 30ml/mmHg/h/1.0m² and 2.1m² with coefficient Kuf: 31ml/mmHg/h/1.0m² . A steam sterilization procedure has been followed.