1KW Transducer Spacer for fiberglass hulls

A high performance through hull spacer compatible with all Airmar 1 kw Tilted Element(TM) transducers such as B175 or SS175.

Adds 8.5mm (.33 inches) standoff from hull for added distance past the boundary layer.

Includes a 1.5mm (0.06 inch) recessed lip for the transducer edge to sit in for a smooth flow of water over the face for the transducer.