Sponge Filter M92916

The Top Fin SF40 Sponge Filter provides mechanical and biological filtration to help keep water clear and your tank healthy. Unlike standard filters, a sponge filter is fish-safe because it doesn’t have any moving parts, protecting smaller fish from entrapment or harm. Only at PetSmart. Features: Traps waste particles and improves water clarity Filters water without trapping small fish 2-stage filtration system Intended Pet(s): Fish Includes: Air Stone, SF40 Sponge, Clear Riser Tube Dimensions: 4.72 in L x 4.72 in W x 6.24 in H (11.9 x 11.9 x 15.8 cm) Capacity: 40 Gallons Compatible With: Fresh and saltwater aquariums