Subject: marley 898L thru-the-wall ventilator, fan 190 cfm
1. TRYING TO ANSWER A COUPLE QUESTIONS THAT HAVE COME UP
2. FAN BLADE IS APPOX 8 INCHES
3. FAN IS DESIGNED FOR A 4" +- WALL
4. AS IT IS A 190 CUBIC FEET PER MINUTE FAN, IT MOVES A LOT OF AIR, BUT IT IS NOT QUIET
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