Robinair's 19103 Oil Drain Bottle is a genuine Robinair replacement part for Robinair 34788NI, 34988NI, 34888HD and 17800C A/C Machines. Bottle is graduated in both fluid ounces and milliliters. 13 fluid ounce max capacity. Genuine Robinair Parts & Accessories: This item has been tested and validated by our engineers. Buying genuine Robinair replacement parts, accessories, and maintenance items is the best way to ensure proper operation and service life of your RRR cart. Robinair, a Bosch Automotive Service Solutions brand, is a global leader in service tools and equipment based in Owatonna, Minnesota. Robinair is recognized throughout the world as the quality and performance leader in AC/R evacuation tools and this position has led to its success with the full range of products that serve the heating/ventilating/air conditioning/refrigeration (HVAC-R) and mobile markets, which includes the automotive aftermarket along with other industries such as agriculture and construction.