Take a look at the newest freebie from Parent Tested Parent Approved. You can now get free Air Purifier for free, including free shipping. This is all live on their site. Just fill out the form to claim yours. If you get this one, they are only asking that you provide them with feedback about what you thought of their product. Keep in mind that this offer will take about 8 weeks to arrive. Also, this offer will only last as long as the company has supplies, so get yours while you can.
PTPA has two other offers that are still live as well: