The Red Sea ReefMat 500 Replacement Roll is a high-flow, 50 g/m² non-woven polyester fleece designed for the ReefMat 500 automatic roller filter. Each 28-meter (92 ft) roll delivers weeks of hands-free mechanical filtration, keeping your reef crystal clear with minimal maintenance.
Looking for more filtration supplies? Browse our Skimmers, Reactors & Filtration collection.
Features
- 50 g/m² non-woven polyester fleece for efficient mechanical filtration
- 28m (92 ft) roll length for extended use between replacements
- 11.3cm (4.4″) width — purpose-built for the ReefMat 500
- Expected to last 5–8 weeks on a moderately stocked 80-gallon reef system
- Drop-in replacement — no tools or modifications needed
Specifications
| Brand | Red Sea |
| Roll Length | 28m / 92 ft |
| Roll Width | 11.3cm / 4.4″ |
| Material | Non-woven polyester fleece (50 g/m²) |
| Compatible With | ReefMat 500 |
| SKU | R35441 |
| UPC | 730773354412 |
FAQ
How long does a roll last?
On a moderately stocked 80-gallon reef, expect 5–8 weeks per roll. Heavier bio-loads or bare-bottom setups may use fleece faster.
Will this fit the ReefMat 1200?
No — the ReefMat 500 roll is 11.3 cm wide and designed specifically for the ReefMat 500. The ReefMat 1200 uses a wider 17 cm roll.
Is installation difficult?
Not at all. Simply open the ReefMat housing, swap the spent roll for a fresh one, and thread the leading edge. No tools required.
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