Frabill Cooler Saltwater Aeration System [PMC14371]Cooler Saltwater Aeration System Specifically designed and tested to keep saltwater baitfish healthy and active, these pumps can convert any size cooler or livewell into an oxygen rich aquarium. Features: Kit includes everything needed to convert a cooler into a live bait tank Includes: aerator module, air hose, micro bubble diffuser, fittings, brackets Effectively aerates up to 15 gallons Power options: two D batteries, 12V adapter and 110V adapter