Notoc via Amazon offers Prime members its Notoc 40-watt Equivalent LED Bulb 6-Pack for $17.99. Coupon code "WGBRCKQJ" cuts it to $8.99. With free shipping, that's $4 under last week's mention and $15 under the best deal we could find for a similar 6-pack elsewhere. They have a 30,000 hours lifespan. Deal ends July 21.