Attwood Tsunami Mk2 T800 Aerator Straight Inlet 12V - 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 new installation options never provided by the Tsunami range. 3-1/2 in. x 3/4 in. 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 Flow Gallon/Hour: 800 Inlet Style: Straight