High capacity accommodates larger 4-stroke engines. The heavy duty construction makes this extractor perfect for shop use or the mobile service professional. Safe, No-Spark hand operation. Check valve for easy release of displaced air in container. Multiple hoses and fittings included for almost any extraction application. Newly designed decompression valve to release negative pressure. See-through container for quick visual reference. Convenient foot board for added stability while in operation. Pour spout for no-mess fluid disposal.