Adjective modifier

• external: Also available is a range of external weather louvers that compliment the building design and are suitable for most wall configurations.

• wooden: Above, on the roof of the hall is a beautifully carved wooden louver, with nine golden vanes supported by beasts.

Modifies a noun

• door: Some people use shutters on louver doors separating rooms within the house.

Noun used with modifier

• aluminum: Aluminum panels and secure screens with aluminum louvers clad the side and end walls.