Go here to get a free 3 pack of Brez. You do have to place an order with them to get it, but it's free to order and the shipping is free too.
From the Brez website:
Stop the snoring!Here’s your chance to try Brez absolutely FREE.
Order your three-night free trial pack and we’ll even pay for the shipping. We know once you try Brez, you’ll become a fan!