You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM. Material: Special optical materials, Quantity: 1pcs, Features: Can filter all the stray light and keep only the 365nm UV light, Size: 20.5mm (diameter), Suit for: Seoul Visors Chip 365nm 3w/6w UV Flashlight or other same diameter UV Flashlight
Aliexpress
There’re some similar (or not) items on Aliexpress
Link: Banggood product page 1. ($8.28): BGtorch2 2. ($8.28): BGtorch8 apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Old coupons (from the oldest to the newest): BGBFCR41, BGTORCH, BGAFF10OFF, BgoFErTaSchInA10, 4BLF, BgcLuBofErtA10, BGFLS15, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD, BGTorch4, 00c906, BGf94f14 (sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Here is price history (for all/most countries) for 365nm UV Flashlight Visible Filter Lens.
Price records source(s): Banggood Click on image to enlarge. You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).