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 HORIZONTAL BEAM SUPPORTS FOR ALL FOUR SIDES OF DECKING. THIS 72″W DECKING WITH 900 LB. CAPACITY ALSO INCLUDES 1 CENTER DECK SUPPORT. BOLTLESS ASSEMBLY WITH SNAP TOGETHER COMPONENTS REQUIRES NO NUTS, BOLTS, CLIPS OR TOOLS.