Check the listing for details. D-TEK, SELECT, LEAK DETECTOR, INFICON, 2004-PRESENT, ONE (1) O-RING, 8mm ID. Condition: New. Listed at 1.29 USD. Gregoriou Brothers Refrigeration Since 1979Frosty-Freeze D-TEK, SELECT, LEAK DETECTOR, INFICON, 2004-PRESENT, ONE (1) O-RING, 8mm ID ****THIS IS FOR ONE (1) O-RING.******* INFICON D-TEK SELECT LEAK DETECTOR FOR MODELS 2004 TO PRESENT PART #070-1521 D-TEK, SELECT, LEAK DETECTOR, INFICON, 2004-PRESENT, ONE ONE (1) O-RING, 8mm ID, 1.5mm, W,Nitrile, 70 Durc ONE O-RING. $****THIS IS FOR ONE (1) O-RING.******* INFICON D-TEK SELECT LEAK DETECTOR FOR MODELS 2004 TO PRESENT PART #070-1521 D-TEK, SELECT, LEAK DETECTOR, INFICON, 2004-PRESENT, ONE ONE (1) O-RING, 8mm ID, 1.5mm, W,Nitrile, 70 Durc ONE O-RING. Gregoriou Brothers Refrigeration Since 1979Frosty-Freeze D-TEK, SELECT, LEAK DETECTOR, INFICON, 2004-PRESENT, ONE (1) O-RING, 8mm ID ****THIS IS FOR ONE (1) O-RING.******* INFICON D-TEK SELECT LEAK DETECTOR FOR MODELS 2004 TO PRESENT PART #070-1521 D-TEK, SELECT, LEAK DETECTOR, INFICON, 2004-PRESENT, ONE ONE (1) O-RING, 8mm ID, 1.5mm, W,Nitrile, 70 Durc ONE O-RING. ****THIS IS FOR ONE (1) O-RING.******* INFICON D-TEK SELECT LEAK DETECTOR FOR MODELS 2004 TO PRESENT PART #070-1521 D-TEK, SELECT, LEAK DETECTOR, INFICON, 2004-PRESENT, ONE ONE (1) O-RING, 8mm ID, 1.5mm, W,Nitrile, 70 Durc ONE O-RING.