Oak Leaf via Amazon offers the LuminWiz LED 4-watt (40-watt Equivalent) Candelabra Bulb 6-Pack in Warm White for $15.99. Coupon code "RXCRLKVK" drops it to $12.99. Plus, Prime members bag free shipping. That's tied with our mention from last month and $9 under the lowest price we could for similar bulbs elsewhere. Each bulb uses has a lifespan up to 40,000 hours.