Cave Tools via Amazon offers its Cave Tools Smoker Box for BBQ Grill Wood Chips for $21.99. Coupon code "3WVWN667" drops it to $17.59. Plus, Prime members bag free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $7.12.) That's $4 under the lowest total price we could find for a similar stainless steel smoker box. It features a hinged lid and measures 9" x 3" x 1.5". Deal ends May 20.