The X Series ear defenders from 3M protect users against exposure to potentially hazardous noise levels in busy industrial settings. Lightweight and comfortable, they're available in both headband and helmet mounted versions. Features and Benefits Lightweight design for user comfort Twin headband optimises weight distribution for reduced pressure points X1P3E is compatible with a wide range of safety helmets Soft wide cushions improve wearability and reduces pressure around the ears Ring foam technology gives a complete and effective seal Standards EN352-1:2002 [PLT9588720B] EN352-3:2002 [PLT9588722D]