Franklin Flute
0.5″ depth 1.25″ C-C 0.375″ peak 0.375″ valley
1″ Sine Wave
0.5″ depth 2″ C-C
Maui Flute
0.25″ depth 1.5″ C-C 0.625″ peak 0.75″ valley
Narrow Rippled Rib
0.0625″ depth 0.125″ C-C
Long Ripple Rib Flute
0.0625″ depth 0.375″ C-C
MTU Flute
1″ depth 2″ C-C 0.5″ peak 0.5″ valley
Standard Spec 309
0.75″ depth 3″ C-C 0.75″ peak 1.75″ valley
Varying Striations
0.25″ depth C-C varies peak varies valley varies
Perris Flute
0.75″ depth 3″ C-C 1″ peak 1″ valley
See9
0.875″ depth 2.667″ C-C