Aqua Nova Air Ring 7,5cm

High porosity air stones ensure best aeration in your aquarium.Perfect for use with any air pumps with standard airline.  Different shapes of air stone will create beautifull bubble efect in your tank.     Aqua Nova air stone series:      • AS-1 (15x25mm, small cylinder) .    • AS-2 ( ball 25mm or 50mm)   • AS-3 (large cylinder duży 50mm)   • AS-4 ( small cube 15x25mm)   • AS-STAR, AS-CUBE, AS-SHELL (55x70mm) - other shape air stones .   • AS-DISK, AS-RING . Large air stones rings and disks for large aquarium or pond.   • AB,AS - Air bar air stones