Features: rubber and aluminum material, , oil proof and aging resistance. For introducing into the pump after replacement of the filter. For transfer-, diesel, oil, water etc. to most length of . One-way only function. Simple and effective tool for priming diesel engines on car, and boats. Frequently usedhand pump in boats for supply to the out-board engine. Specifications: Material:Rubber, Aluminum Size:As Picture Shown Color:Black Reference number: 9001-089A Opening pressure: 0.2bar Working pressure range: 0.2- 6 bar Opeating temperature range: -30℃- 130℃ Input connectors: 8mm Length (overall): 15cm Package Includes: 1x pump note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.