Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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Description
LED-färgserie För KlassrumsdemonstrationerEn serie med lysdioder fr studier av ljus i olika vglngder. Serien innehller 11 lysdioder med olika vglngdsfrdelning fr att studera hur ljus av olika vglngd pverkas av t. ex. gitter. Perfekt att anvnda i kombination med t. ex. urladdningsrr och att studera med vr spektroskopkamera fr klassrumsdemonstrationer. Vglngder: Vit blandljus Djuprd 640 nm Rd 626 nm Orange 604 nm Gul 590 nm Gulgrn 570 nm Grn 525 nm Turkos 505 nm Bl 470 nm Djupbl 455 nm Violett
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.8 ★★★★★
Based on 568 reviews
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Product Reviews
★★★★★ 5
Comfy Dress Shirt.
Beautiful shirt. I ordered the green. Looks good on. Grandson looks good in it! Also looks very comfy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
★★★★★ 5
Great value
Color: Navy Blue, Size: Medium
I love this shirt. Great value, great fit. Hidden button collar is a must.
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Reviewed in the United States on May 9, 2026
★★★★★ 1
Not what was expected
Color: Black, Size: X-Large
The shirt did not match the image on the website. While it is a button-down collar, the buttons are concealed, rather than exposed, and the material is polyester or nylon, giving the shirt a plastic sheen, which I do not like. The image on the website showed exposed buttons, and with tremors in my hands, exposed buttons are hard enough to secure.
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Tela buena calidad
Good
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Reviewed in the United States on April 22, 2026
★★★★★ 4
Sizeneed 3x
Color: White, Size: XX-Large
I’m to big so it’s to small need 3x
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Reviewed in the United States on February 12, 2026
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