Description
The OASE ProfiClear Premium Compact-L Gravity-Fed system is a fully integrated pond filtration solution designed for high-performance koi ponds and advanced gravity-fed installations.
Unlike modular ProfiClear systems, the Compact-L is a self-contained unit that combines both mechanical and biological filtration within a single housing.
Water flows naturally from the pond into the system via gravity, eliminating the need for a pump at the intake stage. It first passes through a self-cleaning drum filter that removes fine and coarse waste particles.
The pre-filtered water then flows directly into the integrated biological chamber, where beneficial bacteria break down ammonia and nitrite to maintain stable and healthy pond conditions.
This gravity-fed configuration offers maximum energy efficiency and is ideal for professionally designed koi ponds where water levels allow natural flow into the filtration system.
Typical Applications
- Koi ponds
- Gravity-fed pond systems
- High-end garden ponds
- Professional pond installations
- Heavily stocked fish ponds
- Energy-efficient filtration setups
- Compact technical filter rooms
Key Features
- Fully integrated drum and biological filtration system
- Gravity-fed configuration
- Self-cleaning stainless-steel drum filter
- Built-in biological filtration chamber
- All-in-one compact design
- High fish load capacity
- Excellent water clarity performance
- Reduced energy consumption
- Low maintenance operation
- Professional OASE engineering
Technical Specifications
| Feature | Specification |
|---|---|
| System Type | Integrated drum + bio filtration system |
| Configuration | Gravity-fed |
| Filtration | Mechanical + biological |
| Cleaning | Automatic drum rinse |
| Application | Koi and professional ponds |
| Design | All-in-one compact unit |
Performance Overview
| Aspect | Rating |
|---|---|
| Water Clarity | Very High |
| Biological Stability | Very High |
| Maintenance | Low |
| Energy Efficiency | Very High |
| System Simplicity | High |
Filtration Process
1. Gravity Intake
Water flows naturally from the pond into the filtration system.
2. Mechanical Filtration (Drum Stage)
A rotating drum screen removes suspended solids and waste particles.
3. Biological Filtration
Water enters the integrated chamber where beneficial bacteria process harmful compounds.
4. Clean Water Return
Clean, treated water returns to the pond.
Where This Product Sits
The Compact-L Gravity-Fed is a complete standalone filtration system designed for gravity installations.
It sits within:
- ProfiClear integrated systems
- Gravity-fed koi pond installations
- Energy-efficient pond filtration setups
It is NOT:
- A modular ProfiClear system
- Separate drum and bio components
- Pump-fed configuration
It is a self-contained gravity filtration unit.
Installation
- Gravity-fed system only
- Requires correct pond water level design
- Installed in technical filter chamber
- Waste discharge connection required
- Simplified compared to modular systems
Maintenance
- Automatic drum cleaning reduces maintenance
- Periodic inspection of biological chamber
- Check seals and spray system
- Routine servicing recommended
Range Positioning
| Range | Purpose |
|---|---|
| ProfiClear Compact-L Gravity | Integrated gravity-fed filtration system |
| ProfiClear Compact-M | Modular system (separate drum + bio) |
| DF-XL Gravity | Mechanical drum only |
| XL Moving Bed | Biological chamber only |
Key Benefits
- Complete all-in-one filtration system
- Gravity-fed efficiency (no intake pump required)
- Integrated drum + biological stages
- High water clarity performance
- Handles heavy koi stocking
- Reduced energy consumption
- Low maintenance operation
- Professional-grade reliability







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