Slatted Rack, improves egg laying, reduces swarming Reduces Swarming and bearding in Summer. Shallow side UP, board to front. All wood construction fits 5 Frame Standard Langstroth Hive. Made in North Carolina Increases egg laying on lower half of frame of bottom brood area Year round installation. Once installed, no need to remove Provides winter insulation by creating a dead air zone Additional Details ------------------------------ Product description: Slatted Rack, improves egg laying, reduces swarming Reduces Swarming and bearding in Summer. Shallow side UP, board to front. All wood construction fits 5 Frame Standard Langstroth Hive. Made in North Carolina Increases egg laying on lower half of frame of bottom brood area Year round installation. Once installed, no need to remove Provides winter insulation by creating a dead air zone