The Marine Metal Products Universal 5 Gallon Lid Aerator fits on most 5 gallon buckets and pumps 1.4 STL/minute. The multipurpose lid has a large opening for easy dip net access, a cutting surface, and mounting tabs for tools, hooks, and tackle. FeaturesFits most 5 gallon buckets (bucket not included)New multi-purpose lid has large opening for easy dip net access, cutting surface, and mounting tabs for tools, hooks, and tackleBubble Box pump runs +/- 44 hours with 2 alkaline D cell batteries, also runs on 1 batteryPumps 1.4 STL/minuteImpact water resistant case with rubber booted switchBeryllium copper battery contacts for longer battery lifeWeighted air stone with 24" of silicone air line tubing enclosed in pumpLarge adjustable stainless steel clip for attaching to any bucketDesigned for fresh and saltwater use