On this oil extractor pump's transparent body. 500cc Fluid Extractor & Fill Pump for Automotive Use - Oil Pump with a 28" Hose & Two 12" Extension Tubes for Easy Oil Change. DOUBLE-SEALED SECURITY: Oil extractor pump is made of strong and durable materials, with a double rubber ring design that creates an airtight seal, and a precision threaded design on the end of the tube that prevents any leakage.