Bututun marufi masu haɗaka sun ƙunshi jikin bututu da aka yi daga takarda da aka sake fa'ida 100%, an rufe su da filogi na filastik, filogi na ƙarfe, ko zobe na ƙarfe da toshe gogayya.Bututu masu haɗa ido masu kama ido suna ƙara ƙima ga samfuran ku, haɓaka kasancewar shiryayye da cimma iyakar roƙon mabukaci.
Ƙarshen toshe ƙarfe shine ƙarshen ƙulli-ƙididdigar abinci wanda ya dace da ciki na fakitin, yana ba da madaidaicin juzu'i.Filogin karfe mai sake yin amfani da shi yana aiki don sake rufe kunshin bayan kowane amfani kuma baya buƙatar ƙarin kayan aiki bayan cikawa.Idan aka kwatanta da sauran zaɓuɓɓukan rufewar darajar abinci, ana samun filogin ƙarfe a ƙaramin adadi, wanda zai iya rage farashin marufi gabaɗaya.