Lee’s Original U.G. Filter 20L-29 Gallon
A trouble-free biological filter designed with adjustable 1″ dia. uplift tubes for better water circulation and multi-plate construction for easy installation. Includes airline tubing and Discard-A-Stone and features the fish-saver elbow. Advanced design allows a separate plate installation and also has optional flow-thru set-up for use with a power head. Made from special quality plastic which resists splitting and creaking. Available in three different styles to fit rectangular, hexagonal, octagonal, and flatback aquariums. Royal Item Number: ALE13229
Specifications
| Feature | Detail |
|---|---|
| Filter Type | U.G. Biological Filter |
| Capacity | 20L – 29 Gallons |
| Adjustable Uplift Tubes | 1″ dia. diameter |
| Installation Type | Multi-plate, separate plate option, flow-thru setup available |
| Materials | Special quality plastic |
| Compatibility | Rectangular, hexagonal, octagonal, flatback aquariums |
| Includes | Airline tubing, Discard-A-Stone, fish-saver elbow |
FAQ
Can this filter be used with a power head?
Yes, the filter has an optional flow-thru setup that can be used with a power head.
Is the filter suitable for all aquarium shapes?
Yes, it is available in three styles to fit rectangular, hexagonal, octagonal, and flatback aquariums.
Does the filter come with all necessary components for setup?
Yes, it includes airline tubing, Discard-A-Stone, and a fish-saver elbow.

Molly Jones –
The filter works well with my 25-gallon tank. The adjustable tubes help with water flow, and the fish-saver elbow keeps fish safe. Easy to install and the plastic doesn’t crack even after months of use.
Piers Tucker –
I installed it in my hexagonal tank and it fits perfectly. The multi-plate design makes cleaning simple. I appreciate the separate plate option for better control over filtration.
Frank James –
Great value for the capacity and design. The flow-thru setup works well with my power head. No leaks or creaking even after long-term use.
Joan Gray –
Works smoothly in my flatback tank. The included airline tubing is sufficient, and the filter maintains good water quality over time.