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48 in. x 84 in. Commercial Interior Left Hand Hollow Metal Door Frame With Drywall Compression Anchors, 8-3/4 in. Jamb Depth, 16 Gauge Steel Knock Down Frame, Primered Gray Finish | Door Closers USA
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How To Install a Steel Door Frame in Masonry Construction - Kuiken Brothers Commercial Door & Hardware - Kuiken Brothers
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