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TetraFauna ReptoFilter Filter Cartridge refills work effectively to keep water crystal clear and remove odors from terrarium water. These disposable filter cartridges are tough on debris - Ultra-Activated carbon absorbs odors and discoloration, and dense, dual-sided mesh catches debris and waste. They're convenient, fully assembled and ready to use. Use these large-sized filters with TetraFauna ReptoFilter 50 gallon. Replacing cartridges is fast and easy. Rinse the cartridge under cold water to remove carbon dust, then remove the TetraFauna ReptoFilter lid and insert the cartridge into "V" slots and slide it all the way down into the filter. Replace when water begins to backflow over the top of the clogged cartridge. TetraFauna products are trusted by pet owners to meet the needs of their exotic animals.
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Remove the used Bio-Bag monthly, or more often if clogged. Rinse the new Bio-Bag under cold water to remove carbon dust. Insert Bio-Bag into "V" slots and slide it all the way down into the filter.