I-Heavy Duty Cartridge Vessel - ukusuka ku-9 kuya ku-100 Imizuliswano ye-cartridge ngomkhumbi ngamunye, onokuvalwa kwebhawodi yamehlo okuswayipha, sinesici somklamo esikhethekile sokwenza ukushintshwa kwe-cartridge kube lula futhi kube lula.