Pipe Connector 1.Certification:ISO9001,ISO14001,TS16949 and NSF 2.Free samples ... )QuantityS50655.3-6.5.209-.256100020,000S50705.8-7.0.228-.276100020,000S50756.3-7.5.248-.295100020,000S50806.8-8.0 ... .268-.315100020,000S50877.0-8.7.276-.343100020,000S50907.3-9.0.287-.354100020,000S50957.8 ... -.445100010,000S511810.1-11.8.398-.465100010,000 ISO9001 Pipe Connector(7.0-8.7mm Range)