Resin Filter Funnel, Stainless Steel Funnel with Strainer & Brush | For Filtering and Recycling 3D Printer UV SLA/DLP/LCD Photosensitive Resins. 【Product Material】Resin Funnel and Resin Filter are made of 100% food grade durable 304 stainless steel, the funnel is strong and corrosion resistant, and the filter is clean and tight for better filtration.