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Questions and Answers for VEVOR 4-4.5 in. Radon Fan Installation Kit, Quiet 190 CFM Radon Mitigation Fan System Kit with 2-Couplers, Pressure Indicator

Internet # 333815085

Model # DFSTJ4INCH19VK5CKV1

Store SKU # 1013587258

  • Quiet operation with noise levels as low as 47 dB
  • Waterproof and dustproof for outdoor use
  • Real-time pressure measurement