30 degree 

 Narrows beam spread from 80° to 30°

Snaps inside the 7” Standard Reflector recessed outer lip

Can be used with the LiteMod™ Unit Mainframe reflector

15 degree

Narrows the beam spread from 45° to 15°

Snaps inside the 7” Standard Output Reflector's recessed outer lip

for use with 7 inch alien bee reflector.