A Spacer is a ring or block of metal or plastic that is placed between two parts to increase the distance between them. Spacers can also be used to increase the strength and rigidity of a structure. Spacers can be used to adjust the distance between two components. Attributes:• Used to align two components• Manufactured to precise specifications and is built for durability and reliabilityApplications:A Spacer is used to maintain the distance between the components of suction fan to prevent them from rubbing each other.