Price $1,776 $1,275 $1,499
Weight (in pounds) 2.75 without humidifier; 4 with humidifier 2.75 without humidifier; 4.45 with humidifier 3.75 (including built-in humidifier)
Dimensions in inches (L x W x H) 10.04 x 4.57 x 5.91 6.5 x 8.4 x 6.4 10.4 x 5.7 x 4.5
Noise level (in decibels)* 27 26 26
Pressure range 3–25 cm H2O 3–25 cm H2O 4–25 cm H2O