Ventilator Dampers; Type: Roof ; Damper
$113.06
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Ventilator Dampers; Type: Roof ; Damper Size: 23x23 (inch); For Use With: 5bdu18; 5bdu20; 5ddu18; 5ade18; 5bdd18; 5bdd20; 5ads18; 5ddd18 ; Rough Opening Height: 23-1/2 (inch); Rough Opening Width: 23-1/2 (inch).
