Awoco ABS Replacement Fan Wheel for 60" Awoco Super Power FM-1515SA1 Air Curtain - RIGHT Size_30"x36" Offset means the distance between

Offset means the distance between the surface of the door and jamb (doorframe)

Set Includes: 4 Steam Racks + 1 Steam Cap

The blower unit should be installed above the ceiling in the attic

[Package Includes] - 2 x ½” NPT Male Close Elbows

Awoco ABS Replacement Fan Wheel for 60" Awoco Super Power FM-1515SA1 Air Curtain - RIGHT Size_30"x36" Offset means the distance betweenOne piece of Replacement Fan Wheel Part for Awoco Super Power Air Curtain Awoco FM1515SA1 Width from left to right is 24 3 4" Width, 5 1 2" Diameter Available in ABS Plastic Facing the air curtain, determine left or right side Part for Awoco 60" Air Curtains FM 1515SA1