Fome Flex Foam Cleaner – is an aerosol cleaning spray designed to remove unhardened mounting foam. Use it to remove this foam from clothes or tools and to clean your foam gun after using it, both on the inside and on the outside. This cleaner can also be used to clean unhardened foam from window frames, doors, door frames and other surfaces. Quick action. Does not stain pvc. Can be used with any foam gun.