Koller Products TOM Critter Habitat Divider Medium fits TOM Kreature Kingdom Habitat # 1023 Instantly create separate spaces for animals housed in TOM Kreature Kingdom Provides additional space for small aggressive pets Easy to install and remove Product measures 6.75L x 6.75H x 1.5W (inches.) It fits TOM Kreature Kingdom Medium Habitat (TM1023) dimensions 11.5L x 8H x 7.75W