3M DBI-SALA 8518509 Confined Space Lower Mast Extension HVAC vacuum Switch: On product

Switch: On product

Local & remote (optional) alarms signal personnel of primary air system failure & that the system has switched to the backup

OSHA-compliant safety guards

Combine up to 2 extensions

Size: (L x W x D) 18 x 17 x 17 inches

3M DBI-SALA 8518509 Confined Space Lower Mast Extension HVAC vacuum Switch: On product3M DBI SALA 8518509 Confined Space Lower Mast Extension 21 in. (53. 3 cm) lower davit mast extension for use with upper davit mast. confined space lower mast extensions are designed for use with our 8518001 and 8518006 offset davit masts. The extensions provide the flexibility to change the overall mast height of your system in the field. For added versatility, you can customize either one of these davit masts with up to two lower mast extensions, 90