Rubber Flex. Air Stone 45cm SKU: FRS45 Category: Aquarium Accessories Related products Carbon Insert Aquaclear 500 / 110 Aquafx 4ft Cabinet & Hood White 48×18 Assembled (Pickup or local delivery only) Ammorid Insert Aquaclear 200 / 50 Aquafx 4ft Cabinet & Hood Black 48×18 Assembled (Pickup or local delivery only)