Keeps rain snow and leaves out of the vents Gardelle??? protective fabric system features an elegant fabric top with a water repellent and resistant PVC under-coating and a protective splash guard skirt Helps prevent rust and maximize the units efficiency Tough interlocking seams add strength and durability Special treatments ensure fabric won??t crack in cold weather Air vent reduces inside condensation and wind lofting Paddedhandles for easy fitting and removal Elastic hem cord with a toggle allows adjustment for a tight and custom fit Three year warranty Applications: Round AC up to 34""D 30""H 73122 Square AC up to 34""L 34""W 30""H 73132