Amazon.com: EDGELEC 100pcs 5mm 395-400nm UV Ultraviolet LED Light Emitting Diode Clear Round Lens 29mm Long Lead (DC 3V) LEDs Lights +100pcs Resistors (for DC 6-12V) Included,Bright Bulb Lamps : Industrial &
5mm Ultraviolet LED (400nm) - 5mm UV LED - BC Robotics
UV/UVA 400nm Purple LED 5mm Clear Lens - 10 pack : ID 1793 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits
High Power UV Purple LED Chips 365nm 370nm 375nm 385nm 395nm 400nm 405nm 425nm COB Ultraviolet Lights 3W 5W 10W 20W 30W 50W 100W - AliExpress
UV Light Strip USB UV Black Light Strip DC5V 390nm-400nm 6.56FT/2M SMD 3528 120LEDs IP65 Waterproof Super Bright LED Strip Lights, for Fluorescent Dance Party Body Paint Stage Lighting (USB)
Emitter Lamp Light | Uv Led 10w 5050 | Epileds 400nm | Lamp Xml T6 | T6 Led - 5pcs 5050 Xml2 - Aliexpress
Ultraviolet 395-400nm Blacklight LED Light Strip, 12V, 5m