- New
This Air Cannon is a crack clean out tool with great power. The Blow Gun can be used to clean out cracks or surfaces on pavement projects or for roof and construction cleanup in tight areas. This 48" Crack Cannon is aluminum with a zinc plated steel guard. This Air Blaster delivers up to 135 cfm at 100psi. The air assisted trigger requires only a little touch pressure to engage and the air assists in keeping the airflow in an open and on position.