Oak Leaf via Amazon offers the LuminWiz MR16 50-watt Equivalent GU5.3 LED Track Flood Light 6-Pack in Warm White for $22.89. Coupon code "XZONQEWE" cuts the price to $18.99. Plus, Prime members receive free shipping. That's $3 under our April mention, $48 off list, and the lowest price we could find. Each 7-watt bulb features a purported 15,000-hour lifespan, 40° beam angle, and 500-lumen brightness. Deal ends July 31.