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Quartz Caps Ultima II Bio-Mechanical FiltersGenuine replacement end caps for AquaUltraviolet Classic UV Sterilizer quartz sleeves. These durable twist caps provide a secure, leak free seal and make maintenance quick and easy. Replace as needed for a reliable, long lasting seal. Genuine Aqua Ultraviolet quality. Simple maintenance, maximum clarity.
12' head: ~0 GPH (max head)
If you purchase a 4000 Gallon Ultraviolet Pond Filter
and koi ponds
- Chemical-free algae and pathogen control
Ultima II 30
Ultima II 4
800+ GPH (estimated based on series curve)
and high-volume aquatic systems up to approximately 12
AquaUltraviolet Classic 15 Watt UV Sterilizer – 2”
supporting biological filters
Max Flow Rate: 4
Min Flow Rate: 500 GPH