ErligpowhtDirect via Amazon offers its Erligpowht 45-watt Hanging LED Grow Light for Indoor Plants
for $27.99. Coupon code "TOMMYG04" cuts it to $19.99
. Plus, Prime members receive for free shipping
. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $7.77.) That's $3 under our September mention, $8 off, and the lowest total price we could find. It purportedly improves plant growth through the use of 225 LED lights (165 red and 60 blue) and features a lifespan of up to 50,000 hours.