Lambro Industries 1475W 3" White Plastic Louvered Vent
A 3" wall vent termination designed for exhausting air to the exterior while using built-in louvers/flaps to help prevent backdrafts when not in use.
Key Features:
- 3" louvered wall vent (size shown indicates duct size)
- Plastic construction; white finish
- Opening/closing flaps (damper) stay closed when not in use to help prevent backdrafts
- Designed for new or replacement vent installations
- Accessible screw installation holes with a caulk-friendly frame (installation screws not included)
- UV inhibitor/additive to help reduce premature fading from sun exposure
- Paintable when properly prepped (plastic paint recommended)
- Product contains: (1) 3" white plastic exhaust wall louvered vent
- Has collar/tail: Yes; Has screen: No
Compatibility & Applications:
- Intended for 3" duct connections and wall termination use
- Used for bath fan exhaust, range hood exhaust, and other general wall venting applications where exhaust air exits to the exterior
- Must only be used in applications where the manufacturer specifies this exact part number: 1475W
Installation & Operation Notes:
- Installation should be performed by a qualified contractor/installer following applicable local building codes
- Follow manufacturer installation instructions for mounting, sealing/caulking, and exterior wall attachment
- Ensure the louvers/flaps are oriented and installed so they can open freely during operation and close when airflow stops
- Installation screws are not included (use appropriate fasteners for the wall surface)
Maintenance & Troubleshooting:
- Periodically inspect the vent opening and louvers/flaps to confirm they move freely and are not blocked by debris
- Reduced exhaust performance can indicate a restriction at the termination or ducting; clear obstructions as needed
- If the vent housing is cracked, warped, or no longer seals properly (e.g., due to weather/UV exposure), replace the vent per manufacturer guidance
User Reviews & Q&A Summary:
- Common review themes: good fit for 3" bathroom exhaust replacements, solid value, and helpful for hard-to-find 3" wall vent applications
- Long-term exposure notes: multiple users mention replacing older vents after years of sun/UV wear and wanting a similar direct replacement
- Most frequent concern: users ask about (or prefer) a screen for pest control; Q&A confirms this model does not include a screen and relies on flaps, with some customers seeking screened alternatives
- Q&A commonly requests exterior dimensions and mounting pattern details; responses reference an overall 6" x 6" face and a screw pattern smaller than the overall face size (confirm dimensions from manufacturer documentation for exact fit before ordering)