diameter hose 300mm / 12" large diameter hose x 2 lines. Large Diameter Hose: 3 x 304mm / 12" lines. Hose Ramp with 8 lines of 150mm / 6". Large Diameter Hose: 2 x 304mm / 12" lines. Large diameter hose up to 300mm or 12 inch, for mine water transport. HYTRANS large diameter hose with Storz fitting 3 lug. Large diameter hose up to 300mm or 12 inch, for mine water transport. HYTRANS 300mm / 12" large diameter hose with Multilug fitting. Large diameter hose up to 300mm or 12 inch, for mine water transport. 12 inch diameter hose at industrial site in Brisbane area. 250mm / 10 inch large diameter hose x 2 lines. Castillon, Spain. 4 lines of 300mm / 12 inch. Brisbane, Australia, 2012. 300mm / 12 inch large diameter hose x 3 lines. Brisbane, Australia, 2012. HYTRANS with ALCO, 50,000 lpm using 2 x 300mm / 12 inch large diameter hose. Brisbane, Australia, 2012. 300mm / 12 inch large diameter hose x 3 lines. Brisbane, Australia, 2012. 300mm / 12 inch large diameter hose x 3 lines. Brisbane, Australia, 2012. 300mm / 12 inch large diameter hose x 3 lines. HYTRANS hose & hose ramp. HYTRANS large diametr hose Storz coupling 3 lug. 300mm / 12 inch large diameter hose multilug coupling. Large Diameter Hose, cut with fitting.