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This MARINELAND Penguin 200B/350B Bio Wheel Assembly is a sturdy and dependable replacement part for Penguin Filters. Do not replace a Bio-Wheel unless it is damaged since beneficial bacteria live on it. Discoloration of pleated Bio-Wheel material is normal and desirable. Irregular rotation is also normal. A Bio-Wheel rotating at any speed is working to eliminate toxic ammonia and nitrite.Features: Bio-Wheel assembly replacement parts for Penguin filters Includes: Bio-wheel assemblyIntended For: Penguin filtersColor: Gray, WhiteAvailable Sizes: 100B (20 gallon aquarium) = 5 in L x 5 in W x 7.5 in H150B (30 gallon aquarium) = 8 in L x 5 in W x 6.75 in H200B (50 gallon aquarium) = 9 in L x 5.25 in W x 7.5 in H350B (75 gallon aquarium) = 15 in L x 5.25 in W x 7.25 in H
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🇺🇸 Ship from USA · On Agora since 2026
$9.29