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Preferred Lightning Protection, Inc.

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universal swivel base

218 Offset Base

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218 offset base
A cast base with a 2″ offset to clear an overhang when mounted on a vertical surface using screws, 1/4″ bolts, or 1/4″ drive-in anchors. Bolt tension cap can be turned so cables can run horizontal or vertical. Furnished for all air terminal sizes 3/8″, 1/2″, and 5/8″. Specify when ordering. UL Listed.
A218Aluminum
C218Bronze
C218LLead Coated Bronze
218 Offset Base was last modified: January 9th, 2026 by idp_admin