Genuine Replacement Sponge for Sera External Filters

Sera Replacement Sponge Black is a 2-piece pack of original filter foam designed for use with Sera Fil Bioactive 250, 250+UV, 400, and 400+UV external filters. These sponges provide essential mechanical and biological filtration, trapping debris while supporting beneficial bacteria growth.

Made in Germany, the sponge material is durable and easy to clean, ensuring consistent water clarity and healthy aquarium conditions. Ideal for routine filter maintenance or replacing worn-out media to restore optimal flow and filtration efficiency.

Usage Instructions:

• Open filter housing and remove old sponge
• Insert new sponge into designated compartment
• Rinse gently before first use to remove surface dust

Key Benefits:

• Supports mechanical and biological filtration
• Improves water clarity and reduces debris buildup
• OEM fit for Sera Bioactive filter models
• Long-lasting foam with stable structure

Specifications:

• Product: Sera Replacement Sponge Black
• Quantity: 2 Pieces per Pack
• Compatible Filters: Sera Fil Bioactive 250 / 250+UV / 400 / 400+UV
• Country of Manufacture: Germany

Keywords: Sera sponge black, filter foam replacement, Bioactive filter sponge, aquarium filter media, German aquarium accessories