This portable 2-in-1 air pump delivers a maximum airflow of 36 CFM and an impressive air speed of 188.8 MPH, making quick work of inflating various items like pool floats, air mattresses, and sports balls. The included adapters ensure compatibility with a wide range of valves. The price drops from $45.15 to $18.99. Shipping is free for Prime members. Else, it adds $6.