About these items:Dual-Mode Mastery: This fluid extractor offers both pneumatic and manual operation modes. The pneumatic mode provides faster fluid extraction for high-efficiency work, while the manual mode is simple to use and doesn't require extra gear, offering convenience and ease.All-in-One Kit: The package contains everything needed for fluid extraction, including a 1.74 Gal/6.5L or 4 Gal/15L tank, main tube, dipstick, two extension tubes, liquid suction hose, two sealing rings, and a user manual for easy setup and operation.Thorough Fluid Extraction: Equipped with four sizes of extractor tubes for a deep clean, this oil extractor reaches even the deepest parts of the tank. The main tube and extension tubes range from 9.8'' x 39.37'' / 249 x 1000 mm to 0.24'' x 47.24'' / 6 x 1200 mm, ensuring comprehensive extraction.Convenient Usage: The extractor is easy to use with just four simple steps: grab the tube, ditch the dipstick, pump out the fluid, and pour it off. This pump keeps your hands clean while ensuring efficient fluid changes for your engine.Fluid Freedom: Ideal for extracting various types of liquids such as engine oil, gear oil, power steering fluid, and brake fluid. This fluid extractor is versatile enough for use on cars, motorcycles, yachts, lawnmowers, and tractors, making it the go-to tool for quick fluid changes.Key Differences:Model YS-088:Tank Size: 1.74 Gal / 6.5LMaterial: PP (Polypropylene)Weight: 5.80 lbs / 2.63 kgPneumatic Connection: US Standard Quick-Connect (1/4 NPT)Product Dimensions: Ã7.87'' x 19.69'' / 200 x 550 mmModel YS-087B:Tank Size: 4 Gal / 15LMaterial: HDPE (High-Density Polyethylene)Weight: 7.90 lbs / 3.58 kgPneumatic Connection: US Standard Quick-Connect (1/4 NPT)Product Dimensions: Ã9.25'' x 22.64'' / 235 x 575 mmModel YS-087:Tank Size: 1.74 Gal / 6.5LMaterial: PP (Polypropylene)Weight: 15.07 lbs / 2.3 kgPneumatic Connection: US Standard Quick-Connect (1/4 NPT)Product Dimensions: Ã7.87'' x 19.69'' / 200 x 550 mmSpecifications:Model YS-088:Item Model Number: YS-088Pedal Hook Size: Ã0.16'' x 3.35'' / 4 x 85 mmDraw Rod Size: 6.30'' x 0.93'' / 160 x 23.5 mmPiston Rod Diameter: Ã0.55'' / 14 mmDischarge Port Diameter: Ã1.26'' / 32 mmAir Supply Pressure: 0.4-0.8 MpaColor: White + BlackMaterial: PPProduct Weight: 5.80 lbs / 2.63 kgProduct Size: Ã7.87'' x 19.69'' / 200 x 550 mmModel YS-087B:Item Model Number: YS-087BPedal Hook Size: Ã0.16'' x 3.35'' / 4 x 85 mmDraw Rod Size: 6.30'' x 0.93'' / 160 x 23.5 mmPiston Rod Diameter: Ã0.55'' / 14 mmDischarge Port Diameter: Ã1.26'' / 32 mmAir Supply Pressure: 0.4-0.8 MpaColor: White + BlackMaterial: HDPEProduct Weight: 7.90 lbs / 3.58 kgProduct Size: Ã9.25'' x 22.64'' / 235 x 575 mmModel YS-087:Item Model Number: YS-087Pedal Hook Size: Ã0.16'' x 3.35'' / 4 x 85 mmDraw Rod Size: 6.30'' x 0.93'' / 160 x 23.5 mmPiston Rod Diameter: Ã0.55'' / 14 mmDischarge Port Diameter: Ã1.26'' / 32 mmAir Supply Pressure: 0.4-0.8 MpaColor: White + BlackMaterial: PPProduct Weight: 15.07 lbs / 2.3 kgProduct Size: Ã7.87'' x 19.69'' / 200 x 550 mmPackage Contents:Model YS-088:1 x Fluid Extractor1 x Main Tube1 x Dipstick1 x Extension Tube 11 x Extension Tube 21 x Liquid Suction Hose2 x Sealing Rings1 x User ManualModel YS-087B:1 x Fluid Extractor1 x Main Tube1 x Dipstick1 x Extension Tube 11 x Extension Tube 21 x Liquid Suction Hose2 x Sealing Rings1 x User ManualModel YS-087:1 x Fluid Extractor1 x Main Tube1 x Dipstick1 x Extension Tube 11 x Extension Tube 21 x Liquid Suction Hose2 x Sealing Rings1 x User Manual