72mm x4 3-stop Neutral Density Filter

The material or finish applied to the surface of a product, such as vinyl, plastic, metal, or specialized nanocoatings. It indicates the protective, aesthetic, or functional layer that may affect durability, reflectivity, or resistance to environmental factors.

The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.

The linear measurement across a circular or round object, taken through its center. It is expressed in units of length such as millimeters, centimeters, inches, or feet and represents the widest span of the item.

Represents the amount by which a lens filter reduces the aperture value (f‑stop) of a camera. The value is expressed as a positive number indicating how many stops are lost when the filter is applied, allowing photographers to understand the light reduction effect of the filter.

The type of optical or protective filter applied to a lens or sensor, such as neutral‑density (ND), ultraviolet (UV), polarising, or colour‑correcting filters. It indicates the functional purpose of the filter and helps users select compatible accessories for photography, videography, or other optical applications.

The total count of individual units contained within a single package or bundle. This value helps customers understand how many pieces they receive when purchasing the product, and it is useful for inventory, shipping, and comparison purposes.

The general category or style of the product, such as laptop, printer cartridge, or cooling fan. It helps buyers quickly identify the nature of the item and compare similar products.