Lens model number is 34-78-021 fits standard Bargman
porch lights such as 34-78-517,515,522
Also fits Gustafson AM4017,4018
Measures 5-5/16 inches long by 2-1/4 inches wide at the ends by 5/8 inch
Two protrusions at top and one at bottom that enables it to snap in the Bargman porch light slots.
Also available in Amber in our store.