Kyokuto Concrete Pump Boom Hose DN125(5'')/DN100(4'')/3"/2.5"/2" 20,000 CBM QUALITY, 85 BAR W. ... , the inside of hose is high abrasion resistant.2. Integrated hose end and inner wall harden, prolong ... NameConcrete rubber hose –delivery hose and end hoseSize2inch/2.5inch/3inch/3.5inch/4inch/4.5inch/5inch/6inchor ... 9±1102±1.5852002705.889.013.5±1116±1.5852002907.5101.614.2±130±1.75852003008.13115.014±1143 ...