Oil Extractor 15L Capacity Pro Series with Pneumatic FittingEasy to use for do-it-yourself applications, but heavy-duty construction will stand up for shop use or mobile service professionals. A built-in check valve allows easy release of displaced air and the decompression valve releases negative pressure. See-through container for quick reference and a built-in pour spout for no-mess disposal. 48" hoses with fittings included. Suitable for engine oil, gear lube, brake fluid, coolant, etc. Not for use with flammable or corrosive products. Can be operated manually or attached to a compressor and features a 40-170 psi working range and 1/4" air inlet.