ADDITIONAL WIRE DECKING FOR BOLTLESS WIDE SPAN STORAGE RACK WIRE DECKING ALLOWS VENTILATION, VISIBILITY AND LIGHT PENETRATION. SPRINKLER WATER PASSES THROUGHOUT RACKS EASILY, IMPROVING FIRE SAFETY AND LOWERING INSURANCE PREMIUMS. INCLUDES STEEL HORIZONTAL BEAM SUPPORTS FOR ALL FOUR SIDES OF DECKING. BOLTLESS ASSEMBLY WITH SNAP TOGETHER COMPONENTS REQUIRES NO NUTS, BOLTS, CLIPS OR TOOLS.