SPECS: Blast per can: 12 Sound power: 112db blast at 10 ft. Dimensions: 5.75 in. x 2.25 in. x 7.5 in. FEATURES: New 152a formula from Orion(R) for powerful performance Non-flammable and 100% Ozone safe for negligible environmental impact Multiple safety signaling applications Adheres to U.S. Coast Guard's requirements for boats up to 39 ft. long