Cooper Wheelock SHMP-S Adapter Plate for STH, 15SR Horn Speaker to RSSP Plate, Gray
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Adapter Plate for Series STH-15S-ULC Supervised Horn Loudspeaker
UL Listed Adapter Plate, Designed to mount the STH-15SR Horn Speaker (7938) to a Series RSSP Strobe Mounting Plate. For Surface Mount Applications, the SBL-2 (6988) Surface mount backbox is required.