External dimensions: 6 in x 6 in

Duct size: 4 in

Self-closing shutters are designed to prevent mouse, snakes and pest from entering the pipe.

UNIVERSAL APPLICATION: Our louvered vent cover fits a 4-inch diameter pipe and vent opening, the outside dimensions of the dryer vent cover is 6x6 inches (Please confirm our 4-inch pipe size and 6-inch external dimensions before installation). has most of vent cover replacement parts, include metal and plastic material, please refer to the end of our A+
GREAT HOME IMPROVEMENT: Helps keep wind, rain and snow from entering outdoor dryer vents, also keeps out birds and rodents. Our 4 inch vent cover comes with a high-density mesh, if your lint is too large, you can take out the mesh and use it to avoid accumulation
EASY INSTALLATION: Easy to install louvered vent cap for dryer and bath fan venting. You can also spray paint on the surface of our ventilation cover, it doesn't affect the functionality or durability of the vent cover
LONG-LASTING MATERIAL: High-impact poly plastic construction, contain UV stabilizer to reduce fading due to exposure to sunlight
REPLACEMENT OR FULL-REFUND GUARANTEE: is devoted ourselves to provide our customer with quality product and excellent service at a reasonable price, and you can get a free replacement whatever you are not satisfied