This aluminum 3 in 1 air manifold has one 3/8 FNPT inlet and three 1/4 FNPT outlets to supply three air tools from a single inlet at once. No need to disconnect and reconnect for every tool change. Great for multiple lines from one compressor, this 3 in 1 manifold offers a maximum working pressure of 300 PSI. Product Features:3/8 female national pipe thread air inletThree 1/4 female national pipe thread outletsMaximum working pressure of 300 pounds per square inchSturdy yet lightweight