Ramik Mouser 000600 Disposable station is baited with a 1 oz Ramik mini bar. No touch, no mess. There are two openings for mice to readily enter and feed on bait inside. Place a single unit at 8 to 12 ft intervals. Keep an uninterrupted supply of fresh bait for at least 15 days or until there are no longer signs of new feeding by house mice.