Comes with foam strips, brackets, and hardware for previous generation RDUN.
Dimensions : 20 1/2″ x 21″
The image is that of the RDUN Reflector unit, onto which fits the lens.
Lens will also fit the previous generation of:
Radiant 8 (RD8AC)
Radiant 6 (RD6AC)
Xtrasun 8″ (XT8AC)