Fritz Super Sacks are premium quality refillable and reusable mesh bags suitable for most types of media - customize your filter media and drop it in to your system with no mess. The 5” x 9” size can hold up to 0.5 L of media. Fritz Super Sacks are made with a durable 25 mesh PVC material and come with a drawstring closure.
Directions & Dosage
Fill with desired filter media and close securely with drawstring. Do not overfill. Place in any high flow area of your aquarium.