The biOrb 12 Volt Replacement Air Pump assists with the oxygenation of your biOrb. This air pump will work for any size biOrb and plugs into the biOrb transformer.  A constant flow of air is delivered to your air stone and helps increase oxygen levels.
 
Part # 46037
Safe, low voltage replacement air pump for any sized biOrb
Plugs into biOrb transformer
Easy to install