Penn Plax Bubble Wall Diffuser 10″ SKU: PPX31 Category: Aquarium Accessories Related products Aquafx Double Fish Breeding Net Carbon Insert Aquaclear 300 / 70 Aquafx 2ft Cabinet & Hood White 24×12 Assembled (Pickup or local delivery only) Foam Base 12×15 (use 3 For 36″ Tank) (PKT 10)