http://pipevalvefitting.com/product/4-di-backup-ring-ips-sdr7 2026-07-16T07:39:52+00:00 always 0.9 http://pipevalvefitting.com/product/2-di-backup-ring-ips-sdr7 2026-07-16T07:39:42+00:00 always 0.9