Fits the following models
Compact C1, Compact C2, Complete 1
S241 to S256i
S290 to S299
S300i to S399
S500 to S578
S700 to S799
S4000 to S4999
S6000 to S6999
including S6220
Cat & Dog (Excluding Cat & Dog 5000)
Solution & Solution Hepa (Excluding Solution Hepa 5000)
Xtra Power & Xtra Power 2300
Allervac & Allervac Sensor (Excluding Allervac Sensor 5000)
Automatic (Excluding Automatic 5000)
Revolution 500 & 700
Revolution Power Plus 700