4" Iris damper, a way for quiet and precise balancing of ventilation systems. Dampers include calibrated airflow measuring devise.
$45.60

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FanTech PB100 Bathroom Exhaust Fan 100 CFM, 4" Round Duct SizeView the entire PB Collection
Product Details for the FanTech PB100Bathroom Exhaust Fan, The bathroom exhaust fan features a 4" round duct size. The PB100 includes 1 remote fan, 1 mounting bracked, and 1 ceiling grille Additional Information Additional FanTech Links
Our SKU: PB100 0 Questions from the CommunityHave a question about the FanTech PB100? Ask it here 4" Iris damper, a way for quiet and precise balancing of ventilation systems. Dampers include calibrated airflow measuring devise. $45.60 Technical Specs
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