Profile: Cal Am Manufacturing is an injection molding company that specializes in products for use in utility markets, data centers, and 4G & 5G installations. Our utility duct spacers are available in 18 sizes and can accommodate duct work ranging in size from 2 to 8 inches while providing duct separation of 1.5 to 3 inches. Our spacers are also available in 18 pre-assembled configurations making them the easiest spacer to install. These products are resistant to extreme temperature fluctuations, U.V. light, are virtually indestructible and offer the consistent lot-to-lot conformity that is a must when accurate duct separation is required.