A friend of mine gave me this, for he said he found it in his garage. He said he thought its called a "4to1".
I have no idea what it is, but if I had to guess it looks like something to deal with some kind of vacuum pressure.
If someone could tell what it is and or what it does, it would be greatly appreciated.
I have no idea what it is, but if I had to guess it looks like something to deal with some kind of vacuum pressure.
If someone could tell what it is and or what it does, it would be greatly appreciated.