Injin alu blister, kayan kayan tattarawa ne da aka fi amfani da shi don rufe samfuran a cikin blister na filastik. Irin wannan marufi yana taimakawa kare samfurin, yana ƙara ganin sa, don haka da gaba gaɗi inganta manufofin tallace-tallace. Na'urorin tattara blister yawanci sun ƙunshi na'urar ciyarwa, na'urar kafa, na'urar rufe zafi, na'urar yankewa da na'urar fitarwa.
