This 6 Frame polystyrene nuc can be divided into 2 compartments holding 3 frames each. Includes a top feeder feeding both halves. Divided into two 3 Frame nucs makes this an ideal queen mating box. Or you can use it to make a 6 frame split. Nuc holds deep frames. The polystyrene is a high density but it does require painting with an exterior latex paint to hold up under sunlight. Frames sold separately