ʻO ka Fire Fighting FM UL 321G Adapter Flange kahi mea kiʻekiʻe a hilinaʻi i hoʻolālā ʻia no nā ʻōnaehana pale ahi. Hana ʻia e like me nā kūlana FM a me UL, Ua kūpono kēia flange adapter no ka hoʻopili ʻana i nā paipu a me nā mea pono i nā ʻōnaehana sprinkler ahi.
