Comes with foam strips, brackets, and hardware.
Dimensions : 21.8L x 21.8W x 1.9H
Images 2 and 3 are of the reflector unit, onto which fits the lens. Reflector is sold separately.
Lens will fit:
Radiant 8 (RD8AC)
Radiant 6 (RD6AC)
Xtrasun 8in (LU84AC)
Non-aircooled Radiant (RDUN) (lens is slide-in, not hinged, on this model)