Minn. R. 4658.4530

HEIGHT OF REGISTERS; NEW CONSTRUCTION

Name: Justis AI
Availability: InStock

Last amended: 1996Year: 2026Length: 17 wordsOfficial source

Wall openings for air supply or return must be located at least four inches above the floor.

Minn. R. 4658.4530: HEIGHT OF REGISTERS; NEW CONSTRUCTION | Justis AI