first try at homebrew

[ironfreak703]

hey guys. i just got 3 carts of finaplex pellets. didnt want to order the pellets and kit at the same time. just in case. so i have givin it 2 weeks and im going to buy my conversion kit. but what i was wondering was what size kit i needed?? i pretty much got the prosses down for what i needed to do. just need to know what size kit to use. thanks for the help