The Marine Metal Lid/Aerator Combo transforms any standard 5-gallon bucket into a live bait system. With a built-in Bubble Box pump and a multi-use lid that doubles as a cutting board, it's made for all-day performance on or off the water. Fits most 5-gallon buckets (bucket not included) Built-in aerator runs up to 40 hours on (2) D batteries (not included) Lid includes cutting surface and accessory tabs Pumps 1.4 STL/min for consistent aeration Weighted air stone and 24" silicone tubing included Battery-saving beryllium copper contacts Clip-on design for quick setup Fresh and saltwater compatible