Siren Size Chart


Siren Mini Small Medium Large
Overall Length 7" 8" 9" 10"
Usable Length 5" 6" 7" 7.5"
Tip Circumference 4.5" 5" 5.625" 6.25"
Medial Ring Circumference 4" 4.75" 5.3125" 5.875"
Lower Shaft Circumference 5.5" 6.25" 7" 7.875"
Base Circumference 10.625" 12.25" 13.312" 15.25"
Tip Diameter 1.43" 1.59" 1.79" 1.98"
Medial Ring Diameter 1.27" 1.51" 1.69" 1.87"
Lower Shaft Diameter 1.75" 1.98" 2.22" 2.5"