Sparex source: https://us.sparex.com/female-pipe-coupler-1-4-npt-to-1-4-npt-128110.html Product: Female Pipe Coupler, 1/4'' NPT To 1/4'' NPT - Sparex S.128110 SKU: S.128110 Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.