Pond-One O2 Plus Air Pump - 8000 - 4200L/Hr Plant Ties & Supports you can adjust the Hybrid™

you can adjust the Hybrid™ settings to your needs

less leaf yellowing and faster rooting

Zone A can control the same-powered ballasts/drivers as Zone B or Zone B can be set to control different powered ballasts/drivers eg:

The combo pen comes with batteries and the electrode is replaceable to extend its lifetime

Pond-One O2 Plus Air Pump - 8000 - 4200L/Hr Plant Ties & Supports you can adjust the Hybrid™Introducing Pond One O2 Plus Air Pump 02 Plus Air Blowers from Pond One are specifically designed for outdoor use and are resistant to the perils that extreme weather can throw at them. Fitted with a 10m cable, installation is made simple in comparison to other models around. 02 Plus 4000, 8000 and 12000 air machines are extremely powerful units. With outputs of 35, 70 and 110 litres per minute these are suitable for seriously large ponds or filters