Rubber Flex. Air Stone 75cm SKU: FRS75 Category: Aquarium Accessories Related products Aquafx Double Fish Breeding Net Ammorid Insert Aquaclear 300 / 70 Aquafx 2ft Cabinet & Hood Black 24×12 Assembled (Pickup or local delivery only) Foam Base 12×15 (use 3 For 36″ Tank) (PKT 10)