For its newsletter subscribers only, Newegg offers the Zalman Turbo Laptop Cooler, model no. ZM-NC3500, for $19.99 via the directions below. With free shipping, that's the lowest total price we could find by $28. It is suitable for 12" to 17" notebooks and features a 220mm fan, a four-port USB hub, and adjustable fan speed. Deal ends July 3. To get this deal:

1. View the Zalman Turbo Laptop Cooler for $47.91
2. apply coupon code "EMCPDHC79" to drop the price to $39.99
3. redeem this $20 mail-in rebate for a final price of $19.99