This EH series is interchangeable with SNAP-TITE 71 SERIES, DIXON ST SERIES, FASTER OGF SERIES, DNP PLS1 SERIES, and PARKER 71 SERIES. Steel Product. 136 couplings provide versatile performance across diverse hydraulic applications, combining advanced sealing technology with user-friendly operation. The flat-face design ensures zero fluid spillage while effectively preventing external contamination, making them ideal for clean and efficient systems. Featuring intuitive push-to-connect technology, these couplings simplify installation while the integrated locking ball mechanism secures connections and prevents accidental disengagement. 136 couplings are fully interchangeable with Snap-tite 71 series, ensuring broad compatibility and easy integration into existing systems.