http://www.fishermansheadquarters.co...ccesories.html
Maybe this is what you are looking for -> 2932696350 MARINE METAL-B15-POWER BUBBLES PUMP
HOSE-STONES-CHECK VALVES
Power Bubbles™ (B-15)
12 VOLT AIR PUMP
· 12 volt DC aeration system
· Low current - 1/4 amp
· Dual bellows, high volume - pumps 2 liters
of air per minute
· Saturates water with oxygen
· Double discharge alows aeration of 1 or 2 livewells
· Increases capacity of flow through livewells
· 10 ft. of air tubing with 2 large airstones allows
pump to be mounted in any protected area
· For fresh or salt water
· 2 anti-siphon valves protect pump against
water intrusion · Quiet solid state circuits
· 1 year limited warranty
$34.99
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I've got two of "these" for my minnow buckets ->
MARINE METAL-B11-BUBBLE BOX - Exceptional customer value - Runs up to 33 hours on 2 alkaline 'D' cell batteries $9.49 --- I paid about $8 apiece for them at Wallace World ... and they last longer than 33hrs on the batteries (maybe that's supposed to mean 33hrs of "continuous" use ??) They do make "that noise" .... but, it doesn't bother me -- it lets me know that the minnows/fish are getting aeration. (yes, I've even used them in the livewell - while transporting fish from waaaaay down the lake, to the weigh-in, at our Crappie tournies)
I may look into one of those B-15 systems, myself !! ....... luck2ya ...cp