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Ships within 48 hours · Estimated delivery Oct 24 - Oct 29
3 hour fire resistance rating
375 Series Engineering/Performance Data
SD34 Series Performance Data
Opposed Blade Damper standard on 4" widths
inner dimension and outside dimension available * Available in continuous lengths with butt joints * Tamper proof screws * Standard Color
Diffuser 850-24X5 Damper:Multi-Shutter Damper 3 hour fire resistance ratingStandard Features 2 way register with stiffened 1 2" fan shaped louvers for silent operation For ceiling or sidewall applications Lever operated multi shutter damper All component parts, rivets, linkage and handle enclosed in valve to assure trouble free operation Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws Rust resistant pre coat with durable powder finish Soft White Options w Lever Operated Opposed
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