空气自携式开放回路单管咬嘴型潜水装具是轻潜装具，由咬嘴呼吸器、口鼻半面罩、空气气瓶、减压阀、湿式潜水服、脚蹼、压铅组成，广泛用于潜水旅游、水产养殖、渔业捕捞、水下施工、水下救援。 The glass reinforced plastic box is a special store box for fire hose,it posses anti-corrosion,Cli-mate-proof,rust-free,mildew-free,and has two sorts to choose,one with frame,other one no frame.