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	To View Comparison Tests - Click Reels   The following comparison videos are formatted for Windows Media Player.   The Test Chamber (2.2 mb)* Unprotected Hoistway at 0.1 inch water gauge vs. Smoke Guard System at 0.1 inch water gauge (2.4 mb) * Unprotected Hoistway at 0.05 inch water gauge vs. Smoke Guard System at 0.05 inch water gauge (2.5 mb)* Swing Door at 0.1 inch water gauge vs. Smoke Guard System at 0.1 inch water gauge (3.8 mb) *   *Please note, download times will vary based on your connection speed.