The replaceable Gel Ear Pad is specifically designed to fit the Razor Series and Xcel Series muffs, but is not compatible with the Razor Compact Series. It is for premium comfort and increased sealing.
Specifications:

Type
Model or Style	Black
Color	Black
Size	1
Material	Gel Filled
Heating Area
Mount
Battery
Dimensions
Model Fit
Run Time
Volt
Function
Gun Type
BTU