how much cfm?

hello all.. i'm thinking about building a 8x8x8 room and was wondering how much cfm should i run with a 1000w hps and what size carbon filter..


if you can i'll need to about the intake cfm too.. i would really appreciate it

thanks..

anybody?:bump2:

:)....Text

thanks pimp:thumbsup: that helped alot..
have a nice Christmas:)