Introducing the SterlingFans SWV 100 4" Wall Cap - your duct's stylish guardian against the elements! 

Crafted with care from heavy gauge rust-resistant stainless steel, this cap not only promises years of service but also flaunts a flapper damper to keep unwanted outside air (and pests) from sneaking into your bathroom, kitchen, or dryer vent.

The SWV also boasts a generously sized "anti clog" opening and is easily removable for hassle-free cleaning. It's not just a wall cap, it's a high-quality outside defender of your ducts, ready to stand the test of time!

Features:

• Includes a Back-Draft Flapper Damper
• Large "Anti Clog" Free Area Reduces Clogging
• Designed for use with 4" ducts
• Constructed of Heavy Gauge Stainless steel
• Anodized Finish for extra Corrosion Protection
• Easily removable from ductwork for cleaning