The Coilhose Pneumatics Typhoon Blow Gun and Typhoon Pro Blow Gun, Nos. typ-2500 and typ2501cs, employ a unique tip and trigger design. The tips on the pistol-grip blow guns use an engineering principle known as the Coanda Effect to generate air flow. Both the Typhoon Blow Gun and Typhoon Pro Blow Gun deliver 34 cfm of OSHA-compliant airflow, and assist with automotive cleanup. The Pro model is chrome-plated for easy cleanup in greasy environments.