Amazon offers the Otronics 5" / 6" Dimmable 15-watt (100-watt Equivalent) LED Recessed Lighting Fixture 4-Pack in Daylight 5,000K or Cool 4,000K for $34.99. Coupon code "Z89E8GUW" cuts that to $27. With free shipping, that's $18 under the lowest price we could find for a similar 4-pack elsewhere, excluding other Amazon vendors. Each light is rated for damp and wet locations and comes 6" ready, but adjusts to fit 5" cans. Features include an aluminum alloy body with built-in trim ring, E26 base, 1,100-lumen output, 10% to 100% dimming, and 50,000-hour lifespan.