underwater breathing first stage scuba regulator

{"cid":"91149114","title":"Scuba Diving Inflated Life Jackets Type BCD Buoyancy Compensator Devices","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/11\/a4\/b722e5be39836872967ac40519c3-200x200-1.jpg","attrs":{"Price":"negociations","Brand Name":"SEAMAN","Model Number":"SM86242","Minimum Order Quantity":"10 pcs","Delivery Time":"10~30days","Certification":"ISO","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"200pcs month","Packaging Details":"Carton & inner bag pack","Material":"Heavy duty 420D Nylon","Size":"S, M, L, XL","Pocket":"Two large zippered pockets and Two side pockets","deflation system":"Three dump deflation system for enhanced buoyancy control in vary diving positions","Gas Cylinder fit":"Max 12L Single tank","OVER-EXPANSION RELIEF\/":"BC features an over-expansion relief valve"}}