This is the air compressor hose on a Stanley Fatmax jump starter. It was removed from a unit that had issues so I am parting it out. Good to use if yours is split or leaks.
Stanley Fatmax Powerit 1000a jump starter buttons & led lens
Stanley Fatmax Powerit 1000a jump starter CABLES
Stanley Fatmax 1200 Amp Jump Starter with Air Compressor & USB Power
Stanley Fatmax LJ18FC 1800 Peak Amp Lithium Jump Starter with USB-A and USB-C
STANLEY FATMAX 1200 Amp Jump Starter with Air Compressor + USB Power Bank