• LIFE Ionizer 4000 User Manual 1.65mb pdf (a discontinued model)
• LIFE Ionizer 5100 User Manual 1.22 mb pdf (same as the new M5)
• LIFE Ionizer 7500 User Manual 1.3mb pdf (basically same as the new M7)
• LIFE Ionizer 8000 User Manual 1.3mb pdf (basically same as the new M7)
• LIFE Ionizer 7600 & 8100 User Manual 1.7mb pdf (basically same as the new M7)
• LIFE Ionizer 9000/9100/9200 User Manual 1.05 mb pdf (same as the new M9)

 See below for Installation Videos

• LIFE Ionizer™ 7600/8100 6:53
• LIFE Ionizer™ 7700/9000/9100 10:01 (same as the new M7/9)
• LIFE Ionizer™ 7700 UC / 9200 10:59 (same as the new M7/9)
• Pre-Filter Replacement 01:49
• Filter Replacement for the LIFE 4000 & 4100 01:23
• Filter Replacement for the LIFE 7500, 7600 & 8100 02:38
• Filter Replacement for the LIFE 9000, 9100 & 9200 01:43
• Volume Adjustment for the LIFE 7500, 7600 & 8100 00:39