Blue Ribbon Pet 100% Nylon Filter Bag with Drawstring Top for Aquarium Filtration - 1 count (4" x 12")

With Blue Ribbon Pets Nylon Filter Drawstring Bag you can Fill with your filtering media with : carbon, resins, water softeners, etc.

• Safe for use in all freshwater & marine aquariums
• Ideal for pond filtration
• Does not hinder water flow
• Prevents filter mediums from entering pump housing
• Especially designed to fit most filtration units