3 In 1 Aquarium Cleaning Brush SKU: ATB09 Category: Aquarium Accessories Related products Carbon Insert Aquaclear 500 / 110 Aquafx Double Fish Breeding Net Foam Base 12×18 (use for 18″ wide Tanks) (PKT 10) Foam Base 12×15 (use 3 For 36″ Tank) (PKT 10)