SWAGELOK SS-2C-1/3
NUPRO Poppet Check Valve 1/3 PSI & 5 PSI, SS-2C-1/3 & SS-2C-5, LOT OF 2 #F9M
You will find that the unbranded generic version is a reliable backup for daily tasks.
LOT OF 7 SWAGELOK SS-2C-1/3, POPPET CHECK VALVE 1/8" TUBE, 1/3 PSIG #1373C3
Lab X Creations makes tasks less frustrating with their user-friendly designs.