Seal Your Filter Performance with Genuine Sera Components

Sera Filter Head Seal is an original replacement O-ring gasket designed to fit the head assembly of Sera Fil Bioactive external filters. Manufactured in Germany, this high-quality rubber seal ensures leak-proof operation and protects motor efficiency by maintaining proper pressure and moisture isolation.

Perfect for restoring performance in aging filters or completing routine maintenance, this part helps prevent drips and air leaks that can reduce biological filtration quality. Easy to install and precisely molded to fit Sera Fil Bioactive 250, 250+UV, and 400+UV units.

Usage Instructions:

• Detach filter head and locate old O-ring seal
• Replace with genuine Sera Filter Head Seal
• Ensure proper seating to avoid compression gaps

Key Benefits:

• Prevents leaks and maintains flow efficiency
• Protects electrical components from moisture ingress
• Made in Germany for durability and precision fit
• Compatible with multiple Sera external filter models

Specifications:

• Model: Sera Filter Head Seal
• Part Type: Replacement O-Ring Gasket
• Compatible Filters: Sera Fil Bioactive 250, 250+UV, 400+UV
• Country of Manufacture: Germany

Keywords: Sera filter head seal, Sera Fil Bioactive O-ring, replacement gasket, aquarium filter seal, German aquarium parts