Overview
The Poly Filter by Poly-Bio Marine (4″×8″) is an advanced filtration media engineered for freshwater, saltwater, and brackish aquariums. Built from a patented, medical-grade polymer, it selectively removes harmful contaminants while leaving essential elements undisturbed. It delivers dependable water-quality management for home tanks, aquaculture, and scientific applications.
Key Features
- Patented, medical-grade polymer filtration media
- Selectively removes toxins, heavy metals, ammonia, and organics
- Leaves essential elements undisturbed
- Works in freshwater, saltwater, and brackish systems
- Safe for all aquatic life
- Durable and easy to use for clear, healthy water
Specifications
| Spec | Detail |
|---|---|
| Quantity | 10 or More , 4×8″ |
| Brand | POLY |
| UPC | 718286040800 |
Frequently Asked Questions
Does it remove beneficial elements too?
No, it is designed to selectively pull out contaminants while leaving essential elements in the water.
What water types is it suitable for?
It works in freshwater, saltwater, and brackish aquariums and is safe for all aquatic life.



























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