Attwood Tsunami T-500 Mk2 Aerator Pump – Straight Inlet

Attwood Tsunami T-500 Mk2 5640-4 Aerator Pump – Straight Inlet, 500 GPH, 3-1/2" Thru-Hull, 12V DC

Attwood Tsunami Mk2 T500 5640-4 is a 12V DC marine aerator pump designed for livewell and baitwell systems. It delivers reliable water circulation to keep bait and fish alive in recreational and tournament fishing applications. This model is the straight inlet version, intended for inline or direct thru-hull installations.

Built on the Tsunami Mk2 platform, it improves serviceability and installation flexibility while remaining backward compatible with earlier Tsunami systems.

Features

• 500 GPH marine aerator performance
• 12V DC
• Straight inlet configuration
• 3/4" outlet
• 3-1/2" thru-hull mounting length
• Marine-grade, ignition-protected construction
• IP68 Waterproof rating

Specifications

• Model: 5640-4 (T500 Mk2 straight inlet)
• Voltage: 12V DC
• Flow rate: 500 GPH
• Inlet style: Straight
• Inlet size: 3-1/2" thru-hull x 3/4" connection
• Outlet size: 3/4" hose barb
• Fuse rating: 3A

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