Waterproof Camera Dive Housing For Canon G1 X for $25 + $10 S&H [updated]

A new clearance promotion at Monoprice offers the Waterproof Camera Dive Housing For Canon Powershot G1 X $25~. Shipping is extra (under $10 for most zipcodes). If you buy an item that includes free shipping, it usually helps bring down the shipping cost of other items in your order, but YMMV. UPDATE: the 20% off coupon expired.