https://www.aadvanceinstruments.com/replacement-visible-light-filter-with-plastic-lid-for-ai-2uv20dc-and-ai-3uv20
Replacement Visible Light Filter with Plastic Lid for AI-2UV20DC and AI-3UV20 | AAdvance Instruments
- Replacement visible light filter with plastic lid for 254+365nm UV Lamp AI-2UV20DC and AI-3UV20.