Silicon funnel and fine mesh filter used to pour resin back into a bottle. Fits all kind of bottles from a 15mm neck width. Remember to always use a resin filter when you pour resin back into the bottle, otherwise debris from failed prints, broken supports and other cured bits will contaminate your bottle. The silicon funnel is easy to clean. Package Includes: 1 x Metal UV Resin Filter Cup 1 x Silicon Funnel.