Blue Ribbon Aquarium Supplies Nylon Filter Bag With Draw String - Large 4-12"

Blue Ribbon Aquarium Supplies Nylon Filter Bag With Draw String. Especially designed to fit most filtration units. These nylon mesh bags are a single strand mesh designed for economical use and suitable for applications using vessel or open filtration systems.

Key Features:

• Safe for use in all freshwater and marine aquariums
• Ideal for pond filtration
• Does not hinder water flow
• Prevents filter mediums from entering pump housing
• Dimensions: 12-4 in