For its newsletter subscribers only, EverydaySource offers a Privacy Screen Filter for Apple iPhone 4 / 4S bundled with a TPU Rubber Skin Case in Clear Smoke Diamond for $16.99. Coupon code "S0428QBCP" knocks it to $4.99 and bags free shipping. That's a 70 cent drop from our mention of a similar bundle from three weeks ago and the lowest total price we could find for these items purchased separately elsewhere by $4. Coupon expires after 1,000 uses.