BPA FREE AND NON-TOXIC. Proper Pour polyvinyl tubings are safe to use and well suited for beverage and brewing, in the kitchen, some solid materials, as well as handling and dispensing foods. Can be used with most commercial barbed fittings and connectors. Make sure to always wash before use! ECONOMICAL. Because of its versatility and the ability to be used in a wide range of applications, it is a great value for your money. For your industrial, chemical, and agricultural supplies. MULTI-PURPOSE. Proper Pour PVC tubes are ideal for general use such as homebrew and beer line, kegerator, wine making, milk and food handling and processing, air hose for fish tanks and aquarium, aquaponics, hydroponic, ponds, indoor water garden, drip irrigation, drain, water line, pumps, vacuum, siphon, filters, air conditioning, humidifiers, other home uses, props, plumbing, refrigeration, dental, industrial, medical, surgical, laboratory applications for transferring liquid and gas. Safe for salt and freshwater aquatic environments.