¿ÃÅ×ÇÁ·Ð ¿¡¾î´ÙÀ̾ÆÇÁ·¥ÆßÇÁ(ALL PTFE Air Operated Double Diaphragm Pump) CHEMSAFE Ãâ½Ã Á¾·ù : 1/4", 3/8", 1/2", 1", 1-1/2" Á¦Ç°¼Ò°³ Âü°í