UltraPure Replacement Bulb [UPPHO] (3901850) astral An impeller in this class

An impeller in this class is useful because it is one of the main hydraulic parts responsible for the pump’s ability to move water efficiently at the supported output range

and the 4-pin connector format

Proper alignment within the pump ensures efficient movement without imbalance

more predictable service cycle

UltraPure Replacement Bulb [UPPHO] (3901850) astral An impeller in this classUltraPure Replacement Bulb [UPPHO] (3901850) is a replacement bulb for compatible UltraPure UPPHO ozone system applications. Replacing the bulb at the proper service interval helps support consistent water quality equipment performance and keeps the ozone system working as intended. This UltraPure part is ideal for maintenance repairs where the existing bulb is expired, weak, or no longer operating correctly. Match the system model and part number