We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
Frequently Asked Questions
Tag : Filter
During the pre-use check the flow indicator will alert you to either a low battery or a clogged filter. If the battery is charged and the red ball on the flow indicator is still not at the top of the tube, then this suggests the filter needs changing.