White Rodgers Humidifier Models:

HSP2000
High Capacity Steam Power Humidifier, Rated Output 13 Gallons per Day.
HSP2600
High Capacity Steam Power Humidifier, Rated Output 17 Gallons per Day.

White Rodgers Humidifier Models:

HFT2100
High Capacity Bypass Flow Through Humidifier, Rated Output 14 Gallons per Day.
HFT2700
High Capacity Bypass Flow Through Humidifier, Rated Output 18 Gallons per Day.
HFT2900FP
High Capacity Fan Powered Flow Through Humidifier, Rated Output 19 Gallons per Day.