Made in the USA with Premium Quality Material, our 4oz. clear plastic bottle is perfect for oil sampling. This PET plastic bottle with reinforced neck provides high visibility for stored products, making it an ideal tool for quality control. Our bottle is not only great for oil samples, but also for other fluids and oils, such as drinks, bath salts or lotions, and salad dressings. Tech Specs: FDA Compliant, BPA-Free and 38-400 cap thread size. This bottle is compatible with our Oil Sampling Pump T201010, also known as Vampire Pump. The sampling bottle is suitable for oil cylinders and gearboxes, engines, motors, hydraulic systems, tanks, drums, etc. We understand that you have many options and appreciate your choosing us. Money back guarantee if you are not 100% satisfied! We will refund you 100% if you are not happy with your Oil Sampling Bottle! We are confident in our product, and you will be too!