Enhance your photography skills with the Tiffen 4x4" ND0.9 Glass Filter. This high-quality square drop-in filter is designed to provide a neutral density effect that reduces the amount of light entering your camera lens. The filter is perfect for capturing stunning images with soft and smooth blur effects that will make your photos look professional. Made in the United States, this Tiffen filter is a must-have for any photography enthusiast looking to add a new dimension to their images. The Tiffen 4x4" ND0.9 Glass Filter features a clear color and a soft neutral density effect that will help you capture stunning images with ease. Its square shape and 4x4" size make it the perfect fit for your camera lens. With this filter, you can take your photography skills to the next level and capture breathtaking images that will make you stand out from the crowd.