This bait tank fits in the rear hatch of the eXtreme. Can be plumbed with either a bilge pump that hangs off the side of the kayak, or a bait pump that connects direclty to the bait tank and pulls water up through the rear scupper hole. The hatch cover is placed on top of the bait tank as a lid for the bait tank when in place. Can also be used as a cooler or extra storage.