Overview Warranty Reviews Product Description 4" Port With DamperEquivalent Part Numbers: 26715228812, 0 26715 22881 2, V18855 California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov Warranty This part is guaranteed to be a new and original Broan-NuTone part. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Broan NuTone Broan SV18855 - 4" Port With Damper Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Review Subject *Comments