Upgrade your aquarium's filtration system with this high-performance replacement filter media designed specifically for Penguin 350 filter units. Each pack includes two premium-grade filter inserts featuring an activated carbon core wrapped in durable polyester filament, delivering powerful multi-stage purification.
These filters enhance wet/dry trickle filtration by increasing surface area for beneficial bac-teria colonization while effectively trapping debris and neutralizing dissolved pollutants.
Whether you're running a freshwater community tank or a marine setup, these replacements ensure consistent water clarity, odor control, and long-term system efficiency.
With their rugged build and precise fit, they offer reliable performance and extended service life—making them a smart choice for proactive aquarium maintenance.

Product Specifications:
Material: Polyester filament with activated carbon core, PP protective cover
Dimensions: 5.9 inches × 2.2 inches (15 cm × 5.7 cm)
Compatibility: Designed as replacement for Penguin 350 Bio-Wheel filter systems
Function: Wet/dry biological filtration, mechanical debris trapping, chem-ical purification
Recommended Use: Freshwater & saltwater aquariums
Quantity per Pack: 2 filter media inserts
Replacement Interval: Every 4–6 weeks for optimal performance (depending on tank size and bioload)

Packaging Information:
Each package includes:
2 × High-efficiency filter media inserts