1. Improved Humidification System. The new water reservoir is placed in the middle of the right sided chamber, easy to refill water and check running status. The new heavy duty ultrasound humidifier ensures an ultra high humidification performance, now the humidity could be increased to 85RH (at 28 Celsius Degrees), which is required by many exotic species. 2. The visible system also provide easier maintenance access. 3. Improved Nebulization System Double air compressor installed in the nebulization system, to ensure a more secured working stability. Even one line get kinked during operation, the other compressor will still provide enough air stream to complete the needed operation.