Durable Material: The filter mesh is made of stainless steel, durable, not easy to rust, longer life than brass, easy to use and clean. Small holes on it effectively allow air to flow while preventing dirt and dust. What you will get: 40 pieces of filters for long-term use. Production Process: The filter is produced through a precise process, with a neat and smooth cutting edge, well-made and multi-purpose. It helps protect against drips and soot, prevents tobacco from entering the pipe, reduces the amount of tobacco filling, and enhances your experience. Wide Application: Compatible with most pipes and a great gift choice for boyfriend, husband, father, or grandfather. Product Specification Type: Pipe Filter Quantity: 40 Color: Silver Outer Diameter: 16mm (0.63in) Internal Size: 12.7mm (0.5in) Material: Stainless Steel Shape: Concave Bowl Features: Stainless steel, durable, not easy to rust, easy to use and clean Function: Allows air to flow, prevents dirt and dust, protects against drips and soot, reduces tobacco filling Applicable: Smoke filter, smoke rod, fits most pipes Package Included: 40 x Filters