Bigmouth Inc. Air Pump. The BigMouth Inc Air Pump is here to save the day, and save your breath. This compact air pump is the perfect size to fit in your suitcase and can inflate any BigMouth Inc Pool Float or Snow Tube with ease. Once it’s time to store the fun for next season, simply switch over the nozzle and deflate. Includes 3 nozzles for most common valves. Convenient, AC powered design. Approx. dimensions: 4.5" x 6". Imported.