Keep bait and fish alive with the Tsunami Aerator Mk2. Attwood's leading fish-friendly technology is making it easier to install and service while offering installation options never provided by the Tsunami range. Features 3-1/2" x 1-1/8" thru-hull Flexible installation with both 90 and straight inlets and outlets Full backward compatibility with previous Tsunami models Faster, smarter installation with no sealant or tools is required Specifications Flow Gallon/Hour: 1200 Voltage: 12V Degree: 90 Weight: 1.5 lbs