Related Clues:

• Flat's need
• Keep from getting too close, with "out"
• With 76-Down, harmonica feature
• Basketball filler
• Exemplar of lightness
• Whistle blower?
• It can cause inflation
• Jingle
• Major cause of inflation
• It can be hot, thin or cold
• Get out in the open
• Hoses
• Service station sign
• It's inhaled
• A lungful