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' <br /> Page 39 of 51 08/24/2012 <br /> . � �' <br /> �:��,� " � <br /> FILTER FRAMES and FASTENERS <br /> Specifications: <br /> Type 8 Universal Holding Frames <br /> '� Universal holding frames shall be constructed of not less <br /> than 16-gauge stainless steel.They shall be equipped <br /> with polyurethane foam gaskets,fasteners,and filter cen- <br /> tering dimples.The four sealing flange corners shall be <br /> '. flush mitered and secured in order to form a unfform seal- <br /> ing and gasketing surface.The in line depth shall not be <br /> } less than 2.69"in order to effect adequate bearing surface <br /> � .� ;�� ���'� k fior built-up filter banks.Filter fasteners shall be capable of <br /> � k being installed without the requirements of tools,nuts,or <br />