Noarfin zanen almara na rectangular, kamar yadda sunan yake, yana nufin jerin nozzles tare da ɓangaren feshin rectangular.

Cikin cikin bututun ƙarfe mai dunƙule baki ɗaya tsari ne mai zagaye, wanda zai iya sanya ruwan da aka fesa ya sami ƙarfin juyawa da sauri-sauri. Lokacin da ruwan ya bar bututun, ƙarfin tsakiya zai bazu, don haka ya zama sashi mai feshin maɓallin. .

Amma bututun murabba’i mai lankwasa yana cikin siffar dala, don haka muka tsara fasali na musamman na buɗewa a bututun don sanya ruwan ya samar da kwatancen kwalliyar da ba ta dace ba yayin barin bakin hancin, don a yayyafa ruɓaɓɓun ɗigon zuwa murabba’i fesa tsarin yanki-yanki.

Ana amfani da wannan nau’in bututun ƙarfe don madaidaiciyar feshi a cikin akwatin murabba’i. Amfanin sa shine yankin feshi yana da sauƙin sarrafawa, kuma babu ainihin feshin gicciye ko fesawa a waje da akwatin.

Muna da nau’ikan zane-zanen bututun murabba’i mai kusurwa huɗu, zaku iya tuntubar mu a kowane lokaci don samun bayanan da suka dace.