Raid Max Bug Barrier keeps German cockroaches out.
It keeps killing German cockroaches for up to 12 months on non-porous surfaces and can be used both indoors and outdoors. Physical Form: Liquid Application: Beds Fabrics Pest Type: Ants Crickets Firebrats Fleas Flies Flying Moths Gnats Mosquitoes Roaches Scorpions Silverfish Capacity Volume: 30 oz.