Lambro Industries 143WP Lambro"dustries"dustries Plastic Under Eave Vent, 4In, White Lambro Industries plastic under eave vent, 4in., white Damper prevents outside elements from entering the vent This is manufactured in United States Great for under soffit applications includes damper which prevents outside elements from entering the vent white color Made in the USA Lambro represents Innovation, Quality, Service and Reliability since 2025