These are replacement monitor stations for those that may become damaged or additional stations for structures in excess of the 240 ln.ft. covered by the Kit. You should plan on 1 station every 10 ln.ft. 1 ea.
Does the Firstline bait need to be purchased separately?
The Firstline stations do come loaded with wood bait attractants but they do not come loaded with the poison bait. The poison bait is not used until activity has been noticed in the stations and is sold separately. You can purchase the FirstLine Bait Station Kit which comes with the stations and the poison bait or you can purchase the Firstline Bait and the Firstline stations separately.