Pvc Encased Air Stone 42″ SKU: AS842 Category: Aquarium Accessories Related products Foam Base 12×18 (use for 18″ wide Tanks) (PKT 10) 5way Breeding Trap Ammorid Insert Aquaclear 150 / 30 Aquafx 3ft Cabinet & Hood White 36×15 Assembled (Pickup or local delivery only)