Easy power head conversion Slide in output adapter Twin uplifts Enlarged slots-no flow restriction ""slipstream""exhaust for strong output and surface agitation Gravel block keeps gravel from below plate Includes...

Easy power head conversion Slide in output adapter Twin uplifts Enlarged slots-no flow restriction ""slipstream""exhaust for strong output and surface agitation Gravel block keeps gravel from below plate Includes carbon...

Easy power head conversion Slide in output adapter Twin uplifts Enlarged slots-no flow restriction ""slipstream""exhaust for strong output and surface agitation Gravel block keeps gravel from below plate Includes carbon...