07-17-2021, 05:08 AM
Yes, four tubes is a lifetime supply. I've given friends a couple tubes. I don't know how long it will keep as roaches still haven't come back. I used less than 1/3 tube to kill mine and put it in cupboard upper corners, above window frames, and closet shelves, all out of cat and dog reach.
Certainty will be the death of us.