Radius | Elevation Charts
* Open Hub Sunburst is available with grilles-in-the-airspace with limitations; however, 2-1/4" PDL bars are not available. Consult your dealer for details.
Patterns and hub sizes remain the same between wood removable grilles, grilles-in-the-airspace or PDL. Consult your dealer about divided lite patterns for full-circle
and oval windows.
Ultra Radius Patterns
Radius Divided Lite Patterns
120 Kolbe Ultra Series
Dimension calculation formulas for radius units
vary depending on the unit and application.
Please contact your Kolbe dealer if formulas are