Model D0110DOW, D0120DOW, D0110GOW, D0120GOW are "away from wall or floor" integral sleeve dynamic curtain form hearth dampers. Model D0110GOW and D0120GOW are designed for provide or return ducts that terminate at a grille or sign-up. Design D0110DOW and D0120DOW are created for by means of penetrations (ductwork linked to either https://heavy-duty-stainless-stee02344.blogdal.com/37398131/the-2-minute-rule-for-dampers-for-industrial-sector