SECTION 15820 - DUCT ACCESSORIES
Include elevated platform for insulated duct mounting. MOTORIZED VOLUME DAMPERS. Dampers: AMCA-rated, opposed-blade design; 2.8 -mm minimum, galvanized-steel frames with holes for duct mounting; damper … ................
................
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.