... "-4" 2. material: rubber inner and polyester outer rubber lined fire hose The Shell uses the good quality fiber,and the ... pressure and anti-aging.It is used in line of fire fighting, irrig-ation, and construction. INCHNOMINAL INTERAL DLAMETERACTUAL INTERNAL DLAMETER ... 66BAR90PSI 9BAR140PSI 88BAR120PSI 12BAR180PSI 1010BAR145PSI15BAR220PSI 1313BAR 190PSI 20BAR290PSI rubber lined fire hose