Otronics via Amazon offers its Otronics 4-watt (40-watt Equivalent) CA10 LED Candelabra Bulbs 6-Pack in Daylight or Soft White from $14.50. Coupon code "456R77MB" drops the price for both options to $7.97. Plus, Prime members receive free shipping. That's a buck under last month's mention, $7 off, and the lowest price we could find. They feature an E12 base and a lifetime of up to 25,000 hours. Deal ends June 22.