Oase ProfiClear Premium Compact-L (Gravity-Fed) Drum Filter
Engineered specifically for heavy-bioload koi ponds and large ornamental waters, the Oase ProfiClear Premium Compact-L (Gravity-Fed) delivers commercial-grade water clarity in a streamlined footprint. By combining automated mechanical drum filtration with dynamic fluidised bio-media, this unit takes the hassle out of pond maintenance while maintaining a stable ecosystem for your fish.
Automated Micro-Screen Mechanical Filtration
At the heart of the Compact-L is a high-grade stainless steel drum equipped with 60-micron sieve screens. As water flows into the chamber via gravity from bottom drains and surface skimmers, fine suspended solids, fish waste, and uneaten food are trapped before they can decay. When debris buildup begins to restrict flow, an intelligent water level sensor automatically triggers high-pressure rinse nozzles to flush the sludge directly out to drain—no manual scrubbing required.
Advanced Moving Bed Biological Treatment
Once mechanical waste is cleared, water moves into the integrated biological chamber packed with 60 litres of Hel-X 13 bio-media. Kept in constant motion via an integrated aeration connection, this high-surface-area media hosts massive colonies of nitrifying bacteria that convert harmful ammonia and nitrites into safe nitrates.
Key Features
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Automated Self-Cleaning: Sensor-driven high-pressure wash system flushes waste automatically using pond water.
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Ultra-Fine 60-Micron Screening: Captures microscopic particles before organic pollution degrades water chemistry.
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Fluidised Hel-X 13 Biomedia: Pre-loaded with 60L of bio-media providing up to 57.3 m² of total biological surface area.
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Low Installation Profile: Sits buried in a filter pit with an install height only 12.5 cm above water level for clean, hidden garden aesthetics.
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Smart Control & Connectivity: Integrated digital controller tracks water temperature and flush cycles; fully compatible with the Oase Control / EGC System for remote monitoring via app.




