Marineland (Aquaria) Mland Repl Bio-Wheel Assy-99B

Marineland/Aquaria Bio-Wheel Replacent this item is only the bio wheel. The bracket is sold seperately. – Irregular rotation of the Bio-Wheel is also normal. – Discoloration of pleated Bio-Wheel material is normal and desirable. – A Bio-Wheel rotating at any speed is working to eliminate toxic ammonia and nitrite.