Are You looking for Rule 25S Marine Rule 500 Automatic Marine Bilge Pump (500-GPH, 12-Volt)?
These are specification details and features of Rule 25S Marine Rule 500 Automatic Marine Bilge Pump (500-GPH, 12-Volt) on Amazon.com :

• Sales Rank: #17019 in Sports & Outdoors
  
• Size: One Size
• Color: Red/White/Blue
• Brand: Rule
• Model: 25S
• Released on: 2007-03-10
• Number of items: 1
• Dimensions: 2.00" h x
  3.00" w x
  4.00" l,
  

Features

• Automatic 12-volt marine bilge pump
• 1.9-amp draw; 2.5-amp fuse
• Pumps automatically when the water level pushes the float up
• 3/4-inch discharge outlet
• Three-year warranty

Rule 500

The Rule 500 offers many design features while keeping size and cost to a minimum. Especially popular on smaller craft, Rule 500 pumps are unmatched in pumping power and longevity. 3/4" (19mm) discharge outlet. 12 Volts DC unless noted.

Features:

• Computerized operation - no floats switch required
  
• Fully Submersible
  
• Easy clean snap lock strainer
  
• Silent and vibrationless operation
  
• Anti-airlock protection
  
• Compact, efficient long life motor
  
• Ignition protected
  
• No burn-out when run dry
  
• Rust and Corrosion protection
  
• Used by leading boatbuilders worldwide
  
• marine grade blocked wiring

View Rating of Rule 25S Marine Rule 500 Automatic Marine Bilge Pump (500-GPH, 12-Volt) :