<img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=524242493236070&amp;ev=PageView&amp;noscript=1">
Skip to content
trust signals

21 Gallon Marine Holding Tank

The 21 Gallon Marine Holding Tank from One Clarion is a rectangular, portable tank designed for above ground use in marine environments. Made from durable polyethylene in a sleek black color, this tank is perfect for holding waste on boats or other marine vessels. It is 16" in length, 17 3/4" in width, and 24" in height, providing ample space for holding waste. The tank is made with ANSI/NSF 61 approved resin, ensuring its safety and reliability. Whether for personal or commercial use, this marine holding tank is a practical and essential addition to any marine vessel.

  • Manufacturer: Ronco
  • Part Number: B503
  • Price: $386.09 Volume pricing and specials are available for this item.
  • Call for the latest B503 Shipping and frieght estimates


21 Gallon Marine Holding Tank Features
  • Product Type: Marine Holding Tank
  • Tank Shape: Rectangular
  • Tank Usability: Portable
  • Environment: Above Ground
  • Pressurized Use: No
  • ANSI / NSF 61 Approved Resin: Yes
Shipping Information
  • Freight Class: 125
  • Liftgate Option: true
  • Ships from locations: California
21 Gallon Marine Holding Tank Technical drawing is not available.