Rid-Max Fly Trap The Rid-Max Fly Trap is a patented, environmentally safe flying insect trap. It traps flies and other insects without the use of toxic pesticides, liquids, or messy and expensive chemical lures. The Rid-Max Fly Trap is re-usable, which is both economically wise and environmentally beneficial. The Rid-Max is portable and collapses flat upon disassembly for quick convenient storage or travel. Users provide their own choice of safe and natural bait using whatever material is attracting insects to the area.