The model KB is a cast iron continuous model KB is designed for installations with a single piece stainless steel sized body produces a phenomenally high straining ratio. Configuration for reduces backwash effluent, and allows long periods between backflushing as a result, the model KB is far less costly to operate. The Wedgewire element prevents lodging of debriss in the element. And creates a vortex during back- flush for a more efficient backflush unsurpassed longevity, the model KB is the top self-cleaning strainer in the industry.