Holley. BAT HOUSE-4 CHAMBER. 2nd work day shipping. FIRE HARDENED.house for bats.LARGE BAT HOUSE.BUILT BY U.S. VETS AND U.S RAW MATERIALS ONLY. BY M.HOLLEY Extra large for more bats--sprayed with bat scent to help attract bats BAT BOX. BAT HOUSE. Fire hardened for preservation of wood Rustic in appearance--fits in with nature. BAT ATTRACT ADDED TO EAch house before shipping Screws, directions and support for mounting questions Questions? Call Mike at 330-221-8799