DD Single-Channel Dosing Pump / Pro App Controllable Aquariums Fish Tank
This gives you access to P1 Dosing pump App. 1 x H2OCEAN P1 dosing Pump. 1 x Daisy chain DC cable to connect another P1 dosing pump. D-D Single-Channel Dosing Pump P1 Pro. Single dosing head. Manual or Automatic dosing modes.