For use with barley pellets, peat, zeolite, carbon pellets, all size bio-balls, all types of media rocks and/or any Microbe-Lift Pre-Colonized Filter Media in nylon bags.

• Industrial Strength
• Heavy duty drawstring closure
• Can be placed directly into pond
• Easy to clean and or change
• Folds to fit most filters/skimmers
• Large loop for securing to a retrieve line