Betta is range of products and food for the pond and aquarium fish keeper these are available at All Things Aquatic.
Betta 200mm Air Disk
Betta Air Stone 4"
Betta Air Curtain 30CM
Betta Air Curtain 60CM
Betta Bubble Air Curtain 45cm
Betta 100mm Air Disk
Betta 13cm Air Disk
