Shop Puff Flow Flavors Now! Each Puff Flow disposable device comes with 1000+ Puffs. With the FLOW the user can customize and control their airflow via a switch. The flavor of the Puff Flow is printed on the front of the packaging, and the color of the PUFF Flow also indicates flavor. Each PUFF Flow disposable device comes with a pre-filled 5% (50mg) of salt nic that is enough to stay satisfied for the whole day.