Nikon WG-AS2 Water Guard

The Nikon WG-AS2 is designed for use with the Nikon SB-900 when used in conjunction with the Nikon D300. The WG-AS2 retains the high level of dust and water resistance built into the camera by simply clipping on to the hotshoe and providing a shield against the elements.

Price: 22.99 from Wex Photo Video