Also Cool set up George1, where did you get those vents?
Either Home Depot or Lowes - both circular and rectangular. Probably ten bucks using discarded cooler.
Can't believe the little Gast compressor has survived rain and 100 degree plus Texas summers in this type cover - it's a winner.
Good luck on your aeration system - it's the life blood of a pond
The valve, guage and filter, as well as plans for assembly were provided by Bill Cody.
He's the master for DIY aeration systems.