Torchstar via Amazon offers four Torchstar 12-watt LED Recessed Downlights in Soft White, model no. LSD4PDL-12W6D27PC, for $42.99. Coupon code "TS8D2KDL" drops it to $34.99. Plus, Prime members bag free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $9.29.) That's $23 off list and the lowest total price we could find. These lights can be used with most household dimmers and feature spring clips and standard screw base adapters.

Of note, the lights are also available in Daylight, model no. LSD4PDL-12W6D50PC, also for $34.99 $37.99, via coupon code "TS5D5KDL".