Lint trap for dryer boosting from Tjernlund. This lint trap is great for short dryer duct runs. It works with any brand of dryer booster fan and is very easy to install. Use this galvanized metal lint trap when the duct length between the dryer and booster fan is less than 14 feet. This lint trap will fit 4 inch duct. This lint trap features a pull out door which is white and has a view window. The attached removable lint filter pulls out for easy cleaning. It is very easy to install. Features: Specifications: