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UNS Ultum Nature Systems Stainless Steel Aquascaping Inline CO2 Diffuser Freshwater Planted Aquarium Tanks

Glass Aqua

4.5 (123)

UNS Pro Inline CO2 Diffuser

Name: Glass Aqua UNS Pro Inline CO2 Diffuser - UNS Pro Inline CO2 Diffuser
Brand: Glass Aqua
SKU: 42159347957846
Price: 31.99 USD
Availability: InStock
Rating: 5 (7 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$31.99

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Color

Black

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The Ultum Nature Systems Pro Inline CO2 Diffuser provides clean, consistent CO2 diffusion while keeping equipment outside of the aquarium. Designed for use with canister filter outflow tubing, it’s a top pick for planted aquarium hobbyists ...

Reviews

5.0

12 ratings

Great way to inject CO2

Amazing quality and great way to inject co2 with ease. Bubbles I’m in co2 injected very tiny. Great quality. UNS is a great selection.

Gustavo · 1 day ago

A definite upgrade

I was happy with my first CO2 diffuser, the standard-issue Aquario Neo model. It did a good job, but I felt that too many CO2 bubbles were escaping to the surface. That prompted an upgrade, to the UNS Pro Inline diffuser. The bubbles are definitely finer, and they make it all the way across the tank before dissipating. The plants love it, and I do too!

John · March 9, 2026