Spectrum Tube Apparatus

Marsoni

M251S

$64.39

Get it in 3 business days with 1 day shipping. Friday, May 29

Spectrum Tube ApparatusSpectrum Tubes demonstrate the wave properties of different gases. Set of 6x standard size high quality Spectrum Tubes. These spectrum tubes are for the Spectrum Tube Single Power Supply and the Spectrum Tube Carousel Power Supply. Power Requirements: 115 OR 220 VAC, 50 60 Hz. An electrode is sealed in each end and attached to a metal end cap with a loop for convenient hookup to wire connections. Each spectrum tube includes an activity guide.

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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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After I was back and forth with a few different mounts I finally took the leap and bought these as they are small enough but mighty. The mount is wide enough to not have to squeeze on my beat headphones and they rest on the silicone area. The best part is they come with 3M strips so if I want to relocate them I can buy replacement strips to remove and move them elsewhere without compromising quality regarding adhesion. Damage free and easy to use. Totally worth the buy to me!

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Reviewed in the United States on January 22, 2025

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Kimberly D. Hill

Lowell, US

★★★★★ 4

Smooth, light weight but sturdy plastic, not metal. Removable without residue.

Ordered the deluxe metal version, received plastic version. Kept. It is a nice product. Smooth, shiny white plastic. Comes with 4 Brand Name Command strips for mounting, an instruction booklet. Fits my padded gaming headphones.

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Reviewed in the United States on January 28, 2026

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Spunky

Louisville, US

★★★★★ 5

Great Product!

Great product, easy to use, space saver and functional.

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Reviewed in the United States on June 16, 2025

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Wolf Emperor

Battle Creek, US

★★★★★ 5

Decoration

Very good i have all my headsets on a wall going from oldest to newest very nice.

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Reviewed in the United States on April 6, 2026

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NCXCIII

Cuba, US

★★★★★ 5

Love it

Style: Studio-Grade White – One Pack

I absolutely love this mount. It was incredibly easy to set up, and it feels very secure. It keeps my headphones within reach without cluttering my desk, and I love that it doesn’t damage the furniture. Highly recommend for anyone looking to clean up their setup!

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Reviewed in the United States on February 28, 2026