Dear friend.hose is not fire hose, it is a pneumatic hose ,blend of p.v.c with nitril butyl rubber, please find enclose pictures of hose with construction.we add rubber to it due to give more flexibility in -20 degree tempreture at igh altitues,specificationssize 35mm-ID ,50mmODBursting pressure-70 kg cm2any lengthquantity 8 tonnscolour blackany query welcomeregards radhikaPLEASE SEE ATTACHED FILES!Country:India