USES: Maintains constant water temperature with proper aeration Ideal for crappie and ice fishing Designed for fresh and saltwater use DESIGN AND DETAILS: 7.3 qt/ 6.9 L size Bubbles B-11 model pump runs up to +/- 40 hours with 2 alkaline D batteries, also runs on 1 battery Impact resistant case with neoprene seals and waterproof switch Pumps 1.0 STL / minute Hard shell bucket with .75" insulating foam liner Special weighted air stones provide greater dissolved oxygen New multi-purpose lid has large opening for easy bait net access, cutting surface, and mounting tabs for tools, and tackle