CTCStore offers the Acase Screen Protector for iPhone 4 / 4S 3-Pack for $8.45. Coupon code "HQ97B6RG" drops it to $3.45. With free shipping, that's tied with our mention from three weeks ago and the lowest total price we could find for a similar 3-pack by $2. It includes three front screen protectors and three back case protectors. Deal ends December 11.