SM scouts with helmets?

[Acaelus]

Anyone seen these before? nee kit or are the helmets from somewhere else?

In warhammer visions

[Badtucker]

those are Elysian Drop troop helmets with respirators. you can get them on forge world :)

[Houghten]

http://www.forgeworld.co.uk/Warhammer-40000/Imperial_Guard/Elysian_Drop_Troops/ELYSIAN_DROP_TROOP_HEADS_WITH_RESPIRATORS.html

It's hard to be sure from the Dutch angle FW've photographed them from, though...