Feature:        
1. This coupler make sure connection completely, Prevent accidental failures and leaks.        
2. Wing nut make it easily to tighten and loosen with the hammer    
3. The bonded valve seal give full pressure to connect and disconnect without damaging to seal.        
4. The flush face valve keeps air inclusion and spillage to a minimum.    
5. Brass material body makes this coupler durable and compatible with large range of media.        
6. Interchange with PARKER 6100 series, FASTER FB series, AEROQIP 5100 series, HANSEN 96 series