Use this aerator for fish in small holding tanks, bait tanks and for aeration and de-icing in small garden ponds up to 1200 gallons. Will operate up to 4' deep. 115 volt. Draws only 10 watts of electricity which is just over $1.00 a month! Kit includes: compressor, 12' vinyl tubing, and dual air diffuser. Compressor should be placed above water level even when airating large fish holding tanks. One year manufacturer's warranty.