Ammonia-X Cartridge for Undergravel Filter
- Ammonia-X, Ammonia Removing Undergravel FilterCartridges is a quick easy disposable cartridge which acts as a lift insurance for your fish.
- Ammonia Removing Undergravel Filter Cartridges are made with top quality zeolites which work to eliminate the top fish killer “ammonia.”
- Undergravel Filter Cartridges solve the problem ofoverfeeding, over-crowding and foul water conditions.
- Filter Cartridges fit all Undertow “E” Filters.