Pvc Encased Air Stone 20″ SKU: AS820 Category: Aquarium Accessories Related products Aquafx Double Fish Breeding Net Ammorid Insert Aquaclear 200 / 50 Aquafx 4ft Cabinet & Hood White 48×18 Assembled (Pickup or local delivery only) Aquafx 3ft Cabinet & Hood White 36×15 Assembled (Pickup or local delivery only)