- None - T-500 MK2 AER ST 3-1/2 DC

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