Maintain proper water flow to your aquarium wet/dry filter overflow boxes. Rigid, plastic U-Tube is perfect as a replacement U-Tube or for custom aquarium plumbing projects. Large diameter U-Tube allows more water to pass through for efficient transportation of aquarium water.
Use 1" U-Tube as replacement tube for PF-Nano
Use 1-1/4" U-Tube as replacement tube for PF-300
, and PF-1000
Use 1-1.5” U-Tube as replacement tube for PF-1800
||1" U-Tubes, For Nano