6" Iris damper, a way for quiet and precise balancing of ventilation systems. Dampers include calibrated airflow measuring devise.
$49.60
Roof cap with damper flap enclosure, duct connection and screened exhaust opening.
$70.40

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FanTech HP220 HP-Series Inline Radon Fan, UL listed durable plastic, UL Listed for use in commercial applications, Approved for mounting in wet locations.View the entire HP Collection
Product Details for the FanTech HP220
HP-Series Inline Radon Fan, UL listed durable plastic, UL Listed for use in commercial applications, Approved for mounting in wet locations.
Additional FanTech Links
Our SKU: HP220 0 Questions from the CommunityHave a question about the FanTech HP220? Ask it here 6" Iris damper, a way for quiet and precise balancing of ventilation systems. Dampers include calibrated airflow measuring devise. $49.60 Roof cap with damper flap enclosure, duct connection and screened exhaust opening. $70.40 Technical Specs
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