Source Dip Type F1.8 F2 White, Red 620nm, Green 570nm, Blue 460nm, Yellow 590nm amber 605nm diffused 1.8mm 2mm led Diode diffuser lens on m.alibaba.com
1000pcs Diffused Tower flat top 2mm RGB led diode light beads 4pins common anode/cathode - AliExpress
LED 2mm Diffuse and Clear Short Head Miniature LEDs 7 Colors, Lot & Set CHOICE | eBay
Amazon.com: 1.8mm / 2mm Round Top Red LED - Ultra Bright (Pack of 50) : Industrial & Scientific