Nightmare house 2 health kits

Can anyone replace the Hl2 health kits with Nightmare house 2?
Heres a images:
http://filesmelt.com/dl/nh2c700005.jpg
http://filesmelt.com/dl/nh1remake1_fixed0000.jpg

I think all you would have to do is find the medkit files then copy them over to Gmod. Same thing with the textures

Alright I’ll take you work wish me luck.