Patent US20100317281 Ptac louver Google Patents
Louver Blank Off Panel. Blank off panel construction is single sheet. Web blank off panels are silicone wet sealed and fastened to the interior face of the louver(s) blank off panel construction:
Blank off panel construction is single sheet. Web blank off panels are silicone wet sealed and fastened to the interior face of the louver(s) blank off panel construction:
Web blank off panels are silicone wet sealed and fastened to the interior face of the louver(s) blank off panel construction: Blank off panel construction is single sheet. Web blank off panels are silicone wet sealed and fastened to the interior face of the louver(s) blank off panel construction:
