Aqua One 3s Sponge Pad Set – 2 pack (one complete change)

The Aqua One 3s Sponge pad set is a rinsable filter foam pack for use in the Aqua One AquaStyle(AR) 620, Aqua One AquaStyle(AR) 620T and Aqua One AquaMode 900 aquariums. The foam layer goes between the Aqua One Carbon Cartridge and the bottom layer of BioNoodles.