Home / Accessories / PuriFi Current Sensing Power Relay PuriFi Current Sensing Power RelayLogin to see price Categories: Accessories, Air Purification Product ID: 2907 Used with communicating systems where the Purifi equipment interface can not be used. Related products PuriFi Smart HubLogin to see price PuriFi SensorLogin to see price Ridged Round Duct AdapterLogin to see price PuriFi – Catalytic CartridgeLogin to see price