This custom bottom drain utilizes the same 4" aerated drain The Pond Digger Construction Team installs professionally in the field, with advanced modifications by Koi Filtration Expert Kent Wallace, to include a VPR or Vertical Pond Return, allowing water to be returned to the pond from the top of the bottom drain!

• 2" Vertical Pond Return integrated into bottom drain
• Individually crafted by Koi filtration expert Kent Wallace
• Allows for improved bottom drain circulation even when air is off for koi viewing
• Thick, wide flange for optimal liner grip on the seal.
• High quality air diffuser
• Great for reflection ponds
• 3" Vertical Pond Return available by request...Call For Details