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check valve,plastic air valve,plastic vent valve
Valve-Plastic Vent with Check Valve
  • Contents&Features:
    •Double-looseleaf design maximizes the air flow.
    •Looseleaf opens and closes automatically according to the air velocity.
    •Air flow ceases, Looseleaf closes automatically to stop air reversing.


Model  Name Material Spec Case Pack Carton Size Flexible Duct 
 Q'ty Recommendation
CV150 Backdraft Damper  PP 190*150*80mm 12 510*400*215mm FF153100
CV180 Backdraft Damper  PP 210*180*80mm 12 530*440*235mm FF180100

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