볼밸브 연결 아답터 (M)- CBS-44MM: 1/4” FLM x 1/4” FLM- CBS-55MM: 5/16” FLM x 5/16” FLM- CBS-AAMM: 1/2” ACME-M x 1/2” ACME-M- CBS-66MM: 3/8” FLM x 3/8” FLM