<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">I need to replace these - I’m not excited about the readily available, sealed/no grease fitting, unknown provenance units. Anyone know a good source for a quality replacement?</body></html>