Newer Bleeder Valve Filter In And Out Adapters For Air Compressor And One Clip For Hanging It Up 160 PSI

I'm not sure exactly what these bleeder valves/filter/air compressor hose lines all do I have 3 different ones 1) large filter with bleeder valve and clip it's this one it's only $20 O.B.O !!!!! 2)Clear filter with bleeder valve brass fittings pressure gauge another piece not sure what it does we'll call it $25 does 160 PSI !!!! 3) bleeder valve brass fittings pressure gauge not sure what the bottom thing does 180 PSI ONLY $25 O.B.O. !!! ALL THREE OF THESE GAUGES I'M NOT SURE EXACTLY WHAT THEY ALL DO BUT I WILL SELL THEM ALL FOR $65 THAT'S ALL THREE THAT YOU SEE IN ALL THE PICTURES ABOVE ONLY$65 O.B.O. !!!!! That's all three different pressure gauges bleeder valves etc etc all for $65 or buy this I had for only $20 it's the cheapest one of all three won't last I'm making an operation!!!