2 Pack Aquarium Bio Filter Sponge Pad 20"x20"x1.5" (20“x20"x1.5" (20PPI) 2 Pack)

2 Pack Aquarium Bio Filter Sponge Pad 20"x20"x1.5" (20“x20"x1.5" (50PPI) 2 Pack)

Aquarium Bio Filter Sponge Pad 20"x20"x1.5" (20“x20"x1.5" (30PPI) 2 Pack)

Bio Sponge Filter Foam Sponges Pad (7.5" x 4.7" x 2.75" (2pcs))

Bio Sponge Filter Media Pad (9" x 9" x 1" (2pcs))

Cut-to-Size Bio Sponge Filter Pad for Aquarium Fish Tank (10" x 4.7" x 2.75")

Filter Media Foam Sponge (7.5" x 4.7" x 2.75")