Fire Fighting FM UL240N Grooved Concentric Reducer bụ ngwaahịa dị elu emebere maka sistemu nchekwa ọkụ. Onye na-ebelata concentric a gbanyere mkpọrọgwụ bụ asambodo UL, na-ahụ na ntụkwasị obi ya na nnabata ya na ụkpụrụ ụlọ ọrụ.
