These iTD Gear Universal Magnetic Car Vent Mount Holders drop from $19.99 to $7.99 to $5.99 when you apply our exclusive coupon code BRADSMNT6 in your cart at iTechDeals.com. Plus, the shipping is free. This is the lowest price we could find for one of these mounts by $6. They can be mounted to any air vent and the metal plate and sticker that the magnet holds on to will work with any device with a flat back. There is no sales tax (Except NJ).