Detailed Product Description Precision: 1.6Interface standard: In standard teeth 1/2 PTMaterial: PPbears hits hardFace: glassThe diaphragm material: VITONAppliance: The liquid filland indicator not easy to vibrate,is suitable for the exportation, the purifier pressure demonstration and the related pipeline.The waterproof/vibration-proof, the closed structure,the use is precise.