This premium lever action chemical pump is designed for fast transfer of acidic solutions, chemicals, fuels, fuel oils and water based media. Ideal for DEF/UREA/Ad Blue. Delivers 16 oz. (500 mL) per Stroke. Appx. 8 Strokes/Gallon (3. 8 L). Adjustable output setting (Low, Normal, High) on the handle allows the user to regulate outflow. Equipped with Two-tier Threaded Bung 1-1/2” (40 mm) and 2” (50 mm). Fits 15-55 Gallon (57-210 L) Drums with Standard 1-1/2" (38 mm) and 2" (50 mm) Bung Opening. Ergonomically Designed Lever Handle assures firm Grip for Comfort and Safer Operation and increased Leverage - develops more pressure with less effort. Heavy Duty Stainless Steel Piston for Durability and Longer life. Precision Seal eliminates by-pass and Floating Steel Check Valve drains Liquid when not in use. Self-Priming. Includes Non-drip Spout. Removable Spout is threaded to fit all Garden Hoses. Lomax's mission is to provide professionals and consumers with innovative and high-quality products to get the job done right. Product development at Lomax goes beyond the physical product, to a deeper understanding of the end-users' needs. Engineered with the "user-in-mind, " Lomax products are built to the highest standards and incorporate many unique features that make work easier, faster and cost-effective. We have a passion for the design process. We listen to our customers and their ever-expanding requirements. Our unique products lead the field in design, quality, and performance.