HOSE, COUPLED, GROUNDED, AIR, 25 FT
Graco 244965 AirFlex Flexible Grounded Air Hose 
25 ft (7.6 m) length1/4 npsm(f) x 1/4 npsm(f) left-hand threadGrey 

More flexible / softer than Standard 223-070 Standard 223070