Roach Motel

The Roach Motel is a brand of a roach bait device designed to catch cockroaches.

Uses
Cockroaches are curious towards it, when they move close to it they will instantly disappear. Differently from other instakills, the cockroach won't display her death animation, neither will show the Poof cloud.

Trivia

 * It is one of the only objects in-game named after a branded product.