MarineLand Aquarium Filter Replacement Bio-Wheel for Eclipse 2 & Emperor 280B/400B

MarineLand Replacement Bio-Wheel is an aquarium filter replacement part designed to help eliminate toxic ammonia and nitrite as it rotates in compatible Eclipse 2 and Emperor filter assemblies.

• Replacement Bio-Wheel for aquarium filters — restores the wheel component when it no longer spins or is damaged.
• Rotating Bio-Wheel — helps eliminate toxic ammonia and nitrite while turning.
• Discoloration of the pleated material is normal and desirable — colour change alone is not a reason to replace it.
• Slightly irregular rotation is normal — the wheel can still be working while its movement varies.

This replacement is for aquarium owners who need a Bio-Wheel component for a compatible filter assembly. It gives you a clear way to assess whether the part needs replacing: the stated replacement conditions are a wheel that will no longer spin or one that is broken or damaged. Normal changes in appearance or a little variation in rotation do not, by themselves, indicate that the wheel needs replacement.

Which filter models does this Bio-Wheel fit?

It fits Bio-Wheel Emperor assemblies for PF280B, PF280BD, PF400B, PF400BD, and PFE2, including the Eclipse 2 and Emperor 280B and 400B filter models identified for this part. Match your filter model to these model numbers before choosing the replacement, so the Bio-Wheel is intended for your assembly.

• Compatible assembly models: PF280B, PF280BD, PF400B, PF400BD, and PFE2.
• Filter families: Eclipse 2 and Emperor 280B and 400B.

What does the Bio-Wheel do while it rotates?

The Bio-Wheel is designed to help eliminate toxic ammonia and nitrite during rotation. Its function does not depend on a perfectly even spin: a slight irregularity in rotation is normal, and rotation at any speed is described as working to eliminate these substances. This makes the condition of the wheel itself more useful to assess than small variations in its movement.

• Rotation at any speed supports the stated ammonia- and nitrite-elimination function.
• A slight irregularity in the wheel’s rotation is normal.

When should I replace the Bio-Wheel?

Replace this part only if the Bio-Wheel will no longer spin or if it is broken or damaged. Discoloration in the pleated Bio-Wheel material is normal and desirable, so a changed colour is not a replacement trigger. This distinction helps you assess the part based on its condition and movement rather than appearance alone.

• Replacement condition: the wheel no longer spins, or it is broken or damaged.
• Pleated material discoloration is normal and desirable.

This MarineLand replacement suits aquarium keepers with a listed compatible Eclipse 2 or Emperor assembly who need to replace a Bio-Wheel that has stopped spinning or is damaged. It is a single-wheel replacement part, rather than a complete filter assembly, and its intended fit is limited to the compatible models named above.