Related Clues:
- Tire shop meas
- Measure of inflation: Abbr
- Pressurized letters?
- Abbr. on an air pump
- Letters indicating pressure
- Letter that appears twice in the Schrödinger equation
- About 13, for NFL interiors
- Trident-shaped 39-Down letter
- Auto tire letters
- Letter from company offering connections to the north
- Tire pressure measure: Abbr
- Inflation abbreviation
- Letter after 'X'
- Abbr. at a tire shop
- Auto inspection no