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Questions and Answers for SMART COCOON INC. Smart Register Vent Booster Fan - 4"x10"&4"x12"- iOS & Android Apps, Room Temperature Control, 30% Energy Saving

Internet # 326824723

Model # SFV304X10

Store SKU # 1010152245

  • Designed to fit 4 in. vent boots
  • Features springs for tight and secure installation
  • Control fan speed with the iOS or Android app