I purchased a Piezo Flush & Storage kit for my 7800. The kit did not contain any O-rings for the cartridges. Do I need the O-rings for the Piezo Flush cartridges?
John
I purchased a Piezo Flush & Storage kit for my 7800. The kit did not contain any O-rings for the cartridges. Do I need the O-rings for the Piezo Flush cartridges?
John