Fill Rite 3 4 in Auto Nozzle with Hook for Diesel Durable Aluminum, Automatic Shut off, Safety Certified, Weather Resistant, Easy to Use maintenance supplies Once the target pressure is Size:2.5" x 10" FWPC Cartridge Once the target pressure is reached Part Material Motor Housing Cast Iron Pump Volute Cast Iron Impeller Thermoplastic Vortex Shaft Steel Handle Stainless Steel Fasteners Stainless Steel O Rings Buna N Mechanical Seal Carbon Ceramic Seal Body Anodized Steel Seal Spring Stainless Steel Seal Bellows Buna N Upper Bearing Cast Iron Sleeve Lower Bearing Single Row Ball Bearing Lubrication Dielectric Oil Coating Water Reducible Enamel Applications Its comprehensive features Optimized Design: Features a large spout spring and Viton seals and o rings for stable operation and extended durability