Organized storage boxes provide easy access to 40 fittings and simplify maintenance of plumbing, pneumatic tools, or fluid transfer projects throughout residential and commercial environments This 40pcs hose barb fitting set includes 8 sizes of connectors to ensure a leak-proof connection for water, air, or tubing Product attributes made from these fittings are ideal for fluid transfer systems with high pressure or extreme conditions For hobbyists, plumbers and hobbyists looking for multiple sizes of tube adapters for custom setup or repair without tools Hydroponic garden with easy installation for safe tube home irrigation systems, laboratory equipment, industrial machinery, or airtight seal, Manufacturer: Kfwfuaee