30″, Dryer Vent Brush, Ideal For Cleaning Lint Traps On Dryers, Air Conditioning & Heating Vents, Removes Lint & Fuzz Build-Up That Can Cause Fires & Allergies, Flexible, Protective Coated Wire Shaft Prevents Scratching Any Surfaces Or Snags Inside The Vents, Comfort Grip Will Provide An Easy Feel Grip During Cleaning.