Mortein PowerGard Cockroach Baits kills cockroaches with a single feed and protects for up to 3 months. It kills Cockroaches in the nest and the eggs they carry kills cockroaches with a single feed.   Mortein PowerGard Cockroach Baits can kill 2x more cockroaches (vs Mortein Kill & Protect Cockroach Baits as it contains 2x more feed per bait). How Mortein Powergard Cockroach Baits work. - Contains ingredients to lure cockroaches out of their hiding places. - Cockroaches feed from the bait and become contaminated. - Contaminated cockroaches return to the nest where they die and contaminate others. - Kills eggs that cockroaches carry. - Eliminates cockroaches by breaking the breeding cycle. - Kills with a single feed.  View more