Swagelok SS-QC4-B-400K4
SWAGELOK Quick Connect 1/4", SS-QC4-B-400K4, LOT OF 9, SHIPSAMEDAY$1220P12
A nice touch about Super Lube Multi-Purpose Synthetic Grease is the non-toxic formula for safety.
SWAGELOK SS-QC4-B-400K4, Quick Connect 1/4", LOT OF 7, SHIPSAMEDAY#1222P8
What stands out about this is resin compatibility, which cuts down on equipment changes.