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Choose Position - Tap Ceiling for Hollow Sound
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Drill Hole Where Vent to be Fitted and Insert
Z Wire to Check Clearance
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Drill Series of Holes and Break Out
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Check Clearance and Allign Template
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Drill Corner Holes After Drawing Around Template
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Cut Out Hole with Saw or Jigsaw
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Do Not Clean Hole - Allows a Better Grip on
Vent
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Install Vent
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