• To replace the original filters that came with your e² or eGO
• Check your filters when red LED light comes on
• Replace filters when required
• e2 uses 6″ circular filters / eGO uses a pair of 3″ square filters

You can reset the red LED by switching the flow switch back and forth 3 times within 3 seconds
(the other switch should be in the ‘on’ position during the reset of the light)