Say Goodbye to Filter Socks Upgrade to Automatic Filtration

Tired of constantly changing and cleaning filter socks? The Klir DI-4 V2 Automatic Fleece Roller Filter delivers a smarter, cleaner, and more efficient solution for maintaining crystal clear aquarium water.

A powerful alternative to premium roller systems like the Red Sea ReefMat, delivering automatic filtration without the premium price tag.

Designed for reef hobbyists who want low maintenance and high performance, this fully automated system continuously removes waste and debris before it can break down helping reduce nutrients and improve overall water quality.

Fully Automated. Zero Hassle.

The included V2 Smart Controller and sensor automatically advance the fleece roll as it becomes clogged, ensuring consistent filtration without manual intervention.

✔ No more dirty filter socks
✔ No daily maintenance
✔ Always optimal filtration performance

What’s Included (Complete Kit)

• Klir DI-4 V2 Filter Body
• V2 Smart Controller + Sensor
• Integrated Drive Motor
• 25-Yard Fleece Roll
• Carbon Insert
• Installation Adapters

 Everything you need for a plug and play setup

Key Benefits

• Crystal Clear Water – Removes fine particles and waste instantly
• Nutrient Control – Helps reduce nitrate and phosphate buildup
• Time-Saving Automation – Eliminates daily sock maintenance
• Consistent Filtration – Maintains optimal flow and performance
• Reef-Safe Design – Ideal for saltwater and reef aquariums

Compatibility & Specs

• Designed to fit 4” filter sock holders
• Recommended flow rate: up to ~750 GPH
• Ideal for sump-based filtration systems
• May require minor sump adjustments depending on setup

Pro Tip

Pair this system with GFO, carbon, or a media reactor to create a complete, high performance filtration setup and maximize water clarity.