Johnson Pump Aqua O2 Flex Mount Aerator PumpJohnson Pump cartridge aerator pumps offer ease of convenience and years of reliable service. This pump has an improved design with an easy-to-change/replace motor cartridge.Features: All Aqua O2 Cartridge Aerator Pumps offer the convenience of using only one intake for both the livewell and washdown pump; Includes a 3/4 NPSM thru-hull inlet that can be used straight or 90-degree; High-flow impeller design; Quick-change motor connection; 360-degree pump discharge rotation; Switchless automatic bilge pump with low-amp resistance monitoring; Durable thermoplastic housing design commonality with removable motor cartridge; Water-cooled motor, 316 stainless steel shaft, and permanently lubricated double bearings; Upgradable motor cartridge; Dual-port inlet; Benefits: Heightened efficiency and an increased flow rate; Enjoy quick and hassle-free cartridge motor changes or capacity upgrades; Reorient discharge in any direction; The common body allows interchangeable motor cartridge replacement in the same or different size; Corrosion-resistant and extended life; Allows single transom intake for dual intake pump application; Can increase or decrease capacity according to the environment and flow needed; Choose the correct intake for the application; Competitive Advantages: The most efficient and highest flow in the GPH capacity category; Industry-first and only cartridge motor pump with an included harness connection requiring no cutting and splicing of wires; Unmatched versatility for ease of installation; Specifications: Pump Size: 500 GPH; Capacity Straight (12V): 585 GPH (37 I/min); Voltage: 12V; Amp: 2.7A; Fuse: 3.5A; Hose Connection: 3/4 in.; Wire Size: 16 GA, TINNED; Weight: 9.6 oz ; Body: ABS; Dura Port: PA66/GF - Nylon; Shaft: 316 Stainless Steel; Shaft Seal: Nitrile Rubber; Motor Cartridge: PC-ABS;