Keep your aquarium water crystal clear with this high-quality, reusable filter bag, designed for reliable mechanical filtration and long-term use. Measuring 10.5” (26 cm) in length, it’s perfectly suited for Red Sea REEFER and MAX-S systems, while also fitting any standard 4” (10 cm) filter sock holder.

Crafted from durable 100 micron felt, this filter bag is ideal for fine “polishing” of already clean water - making it perfect for mature aquariums where maintaining clarity is key. It effectively captures fine particles and debris without restricting flow, helping your system run efficiently.

Key Features

• 100 Micron Felt Filtration – Removes fine particles for ultra-clear water
• Reusable & Durable – Built for repeated cleaning and long-term use
• Perfect Fit – Designed for Red Sea REEFER & MAX-S aquariums
• Universal Compatibility – Fits standard 4” (10 cm) filter sock holders
• Optimal Length – 10.5” (26 cm) for effective debris capture

Best For

• Mature aquariums with low particulate levels
• Hobbyists looking for “polished,” crystal-clear water
• Regular maintenance and fine filtration stages

Specifications

• Length: 10.5” / 26 cm
• Ring Diameter: 4” / 10 cm
• Material: 100 micron felt
• Type: Reusable filter bag

Care Instructions
Rinse thoroughly after use and clean regularly to maintain optimal filtration performance. Allow to dry completely between uses.