Check the listing for details. Aquarium, Aquaclear Filter Insert Foam (For Aquaclear 30 Power Filter). Condition: New. Listed at 11.31 USD. Home About Us Feedback Add Us Description AquaClear Filter Insert Foam performs mechanical filtration by trapping particles and debris as they pass through the insert. This unique foam, designed for use with AquaClear Power Filters, features optimal pore size for efficient mechanical and biological filtration. * Traps particles and debris and enhances biological filtration * Tailored fit prevents water bypass for optimal * Safe for fresh and saltwater use Sizing: Size 20: 5-20 gallon aquariums Size 30: 10-30 gallon aquariums Size 50: 20-50 gallon aquariums Size 70: 40-70 gallon aquariums Size 110: 60-110 gallon aquariums Features: Aquaclear Filter Insert Foam For Aquaclear 30 Power Filter Pet Type: Aquarium Category: Filter Pads Condition: New