Rubber Flex. Air Stone 30cm SKU: FRS30 Category: Aquarium Accessories Related products Aquafx 4ft Cabinet & Hood Black 48×18 Assembled (Pickup or local delivery only) Aquafx 3ft Cabinet & Hood Black 36×15 Assembled (Pickup or local delivery only) Carbon Insert Aquaclear 500 / 110 Ammorid Insert Aquaclear 500 / 110