Questions and Answers for Lancaster Home Products PreVent-It 7.85 in. x 11.25 in. Rectangular Black Weather Resistant Plastic Under Eave Soffit Vent for 4 in. Duct
Internet # 330785434
Model # 42508.01
Store SKU # 1012262683
- Patented design directs exhausted moisture away from the home
 - Built-in damper/flap prevents pest and air entry into the home
 - Meant for bath fans up to 110 CFM using 4 in. duct work