Dymax Filter Media Bag Coarse-L 30x40cm

Easily organize, contain, and manage large-capacity filter media in your sump or external filter with the Dymax Filter Media Bag Coarse-L (30x40cm). Built with durable, stretchable, coarse nylon mesh, this large media bag allows optimal water flow while securely containing coarse biological, chemical, or mechanical filter media.

Equipped with a non-corrosive plastic zipper, this reusable bag eliminates metal contamination risks, making it 100% safe for long-term submersion in both freshwater and marine environments.

Key Features & Benefits

• Non-Corrosive Plastic Zipper: Completely metal-free design ensures zero rust, corrosion, or toxic leeching into aquarium water.

• Coarse Nylon Mesh: Coarse weave maximizes water circulation through media without clogging prematurely while keeping larger media contained.

• Durable & Stretchable Material: Crafted from washable, high-tensile nylon built to withstand repeated cleaning and maintenance cycles.

• Large Capacity (30cm x 40cm): Generous dimensions make it ideal for large canister filters, sump filtration compartments, and pond filters.

• Universal Water Safe: Suitable for freshwater planted tanks, cichlid aquariums, and saltwater marine sumps.

Recommended Media Applications

• Ceramic Bio Rings & Bio Balls

• Large Granular Activated Carbon

• Volcanic Rock & Bio Glass Media

• Coral Bones & Aragonite Media

Specifications

• Brand: Dymax

• Product Name: Filter Media Bag Coarse

• Size: Large (L)

• Dimensions: 30cm x 40cm

• Mesh Type: Coarse

• Closure Type: Non-Corrosive Plastic Zipper

• Material: Washable Nylon Net

• Water Type Compatibility: Freshwater and Marine