Anti-backflow Filter Aerating Fish Tank Built-in Filter

Product information:
Material Plastic
Specifications Fish Toilet Anti-backflow WP-800F4W, Fish Toilet Anti-backflow WP-801F6W, Fish Toilet Anti-backflow WP-802F15W, Fish Toilet Anti-backflow WP-803F20W, Fish Toilet Anti-backflow WP-805F25W, Fish Toilet Anti-backflow WP-806F35W, Fish Toilet Anti-backflow WP-807F45W