Underwater Breathing Mask

Preview: https://a360.co/4aQ12s1 An underwater breathing mask with two standard compressed-gas canister slots and designated slots for an underwater flashing beacon and a laser light. The gas canisters should be connected to valves, and then the tubes connected to the valve outlets should be fed into the two holes on the front. An excess-air valve is located on the front to relieve pressure. The design is in STEP format.