This package includes TWO of The Intellipure Premium+Plus Edition Systems. They are the ultimate in air filtration, purification and sanitization. Why buy a filter and a purifier and a sanitizer when you can have all three in one. When optimal air quality is critical, this system is your only choice. There are many filters on the market. Only the Intellipure Premium+ Plus system has proven, patented technology to prevent microbiological growth within the filter using the exclusive DFS process. The DFS technology was originally developed with military government grant funding to discover ways of protection from bio toxin chemicals and microbiological threats. Protect you and your family from these same type of threats within your home or office with the proven powerful combination of technologies found only in the Intellipure Premium+Plus system. We are so confident in the performance capabilities of the Premium+ Plus system, your system comes with the Dylos Laser Air Quality Monitor model DC1100 PRO-EMI so you can scientifically see for yourself just how powerful and effective the system is in your own home, under "real world" conditions. Your Bonus Package #1 also includes the Air Oasis Mobile Purification system as well as the Air Oasis model 1000G3 air purification system giving you protection for 2500+ square feet.