This Lambro roof cap is made of aluminum. It has a large flange and integrated bird screen. It is suitable for use with a 4 inch round duct.

Roof flashings thermoplastic base"no-calk" 9-1/4 inches x 13 inches base opening size 2 inches Slides over pipe for pitch to 45 degree. Non-fading and non-cracking, rigid black thermoplastic base.

Plastic Double-Sided Under Eave Vent Adapts To 4" Or 6" Exhaust Ducts; Includes (2) Removable Screens And (1) 6" To 4" Transition Collar; Exhaust Only; Has Backdraft Damper And Bug Screen.

3 inch Aluminum Adjustable Duct Elbow (12) Case Multipack. 1 Each Per Case.  

Increases From 3" To 4" And Reduces From 4" To 3".

Includes standard tail piece. Plastic - Louver

Used To Distribute Warm And Cold Air. SNAP-LOCK GALVANIZED 30 Gauge Dia X L

Allows The Dryer To Be As Close As 3" Away From The Wall.