Colombo CO₂ Solenoid

Marsoni

M251S

$54.99

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

Colombo CO₂ SolenoidPlants only absorb CO when your lights are on, so there is no point in adding gas at night time. Not only is it wasteful, but carbon dioxide binds to oxygen and you can cause major distress or death in your livestock. The Colombo CO Solenoid should be used with a domestic timer (just like your lights timer) and automates when your CO comes on and off. I recommend it comes on 1 hour before your lights come on and turn off 1 hour before they go off

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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

Lake Worth, 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

Waukegan, 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

Birmingham, 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

Fort Morgan, 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