A few here have recommended the $40 Xprite 4” fog lights from Amazon. Probably going with those...
I bought and used these $40 cheapo ones and they work fine. Been on for about a year, so they have seen the elements.
https://www.amazon.com/gp/product/B015X1EW3G/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Bought these and have had no problem. https://www.amazon.com/dp/B015X1EW3G/ref=cm_sw_r_cp_apa_i_M5xNFb1MR7XVF?_encoding=UTF8&psc=1