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Amazon.com: PCMD, LLC. Projector Ceiling Mount Compatible with Acer EG40S H7550ST H7550STz HE-815J HE-815ST HG-80ST (Telescoping 23-30-Inch Extension) : Electronics
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Amazon.com: PCMD, LLC. Projector Ceiling Mount Compatible with Acer EG40S H7550ST H7550STz HE-815J HE-815ST HG-80ST with Lateral Shift Coupling (5-Inch Extension) : Electronics
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Amazon.com: Projector-Gear Projector Ceiling Mount for ACER H7550ST H7550STz H7550BD Predator Z650 : Electronics
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Acer H7550ST Projector, 3000 Lumens, 16000:1 Contrast Ratio, 54"-300" Image Size, HDMI, USB, VGA, Composite Video, S-Video, Built-in Speaker - Newegg.com
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Acer H7550ST Projector, 3000 Lumens, 16000:1 Contrast Ratio, 54"-300" Image Size, HDMI, USB, VGA, Composite Video, S-Video, Built-in Speaker - Newegg.com
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Acer H7550ST Projector, 3000 Lumens, 16000:1 Contrast Ratio, 54"-300" Image Size, HDMI, USB, VGA, Composite Video, S-Video, Built-in Speaker - Newegg.com
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