Marineland® Penguin 100B Bio-Wheel Assembly

Bio-Wheel assembly replacement parts for Penguin filters.
Bio-Wheel assembly replacement parts 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.

100B (20 gallon aquarium) = 5" L x 5" W x 7.5" H
150B (30 gallon aquarium) = 8" L x 5" W x 6.75" H
200B (50 gallon aquarium) = 9" L x 5.25" W x 7.5" H
350B (75 gallon aquarium) = 15" L x 5.25" W x 7.25" H