I-Fire Fighting FM UL 240N Grooved Concentric Reducer yimveliso ekumgangatho ophezulu eyenzelwe iinkqubo zokukhusela umlilo. Yenziwe ngobunjineli obuchanekileyo, le grooved concentric reducer iqinisekisa ukuhamba kwamanzi ngendlela engenamthungo kunye nokusebenza kakuhle okanye ulwelo olucinezela umlilo.