PLEASE NOTE:WE ORDER THESE ITEMS AS WE GO ALONG, SO WE NEED TO CHECK FIRST TO MAKE SURE THERE IS AVAILABILITY. PLEASE EMAIL US BEFORE YOU PLACE YOUR ORDER . MANY THANKS IN ADVANCE.WATERWORLD SPORTS High performance, sturdy replacement inflation unit suitable for most types of Buoyancy Control Devices. Fits corrugated hoses with a diameter of approximately 25mm/1", supplied complete with stainless steel pin for attaching exhaust valve release cord where fitted. With standard DIN type direct feed hose attachment for air supply from the first stage of your regulator. Fitted in minutes to virtually any type of SCUBA Wing, B.C.D. or A.B.L.J. using a nylon cable tie. Standard layout 'Push To Inflate' button, Oral Inflation and rapid exhaust facilities complete this hugely popular unit. It is recommended that all B.C.D. Inflators are serviced every 12 months, this must be performed by an authorised and certified Service Technician using our BC INF SK ? B.C.D. Inflation Unit Service Kit.