Red Sea 225 Micron Felt Filter Bag – High-Efficiency Mechanical Filtration

Red Sea’s 225 Micron Felt Filter Bag is designed to capture suspended particles before they reach your biological filtration. Perfect for reef sumps, refugiums, and overflow configurations.

This cloth-style mechanical filter sock channels incoming water from your main tank through a fine felt membrane, efficiently trapping particulate waste, detritus, uneaten food, and more. Helps reduce nitrate buildup and improve light penetration by keeping water crystal clear.

Usage Instructions:

• Attach filter sock to drain pipe or filter sock holder (ensure proper fit)
• Monitor sock regularly and rinse with RO water as needed
• Replace periodically depending on bio-load and debris levels

Key Benefits:

• High-capture filtration of fine particles and organic debris
• Improves water clarity and reduces detritus accumulation
• 225-micron rating suitable for most reef and marine systems
• Reusable and durable—easy to clean and maintain

Specifications:

• Micron Rating: 225μm
• Diameter: 10cm (4 inch ring neck)
• Length: 26cm (10.5 inches)
• Material: Felt
• Country of Origin: Germany

Keywords: felt filter sock, 225 micron reef filter bag, red sea filter bag, sump filtration sock, reef tank debris filter