Related Clues:

• Life support
• Pump output
• Tire inflater
• Pocket filler?
• You can't live without it
• Bring up, as a grievance
• Place from which to shoot
• Type of pressure
• Inner-tube innards
• Gas-station freebie
• Replaceable joint
• Hopefully, it's fresh
• In the groove
• Bubble contents
• Hula Hoop spinner