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In-line Regulator Step Down

Marsoni M251S
Sale price$170.95
Pay 4 payments of $42.74 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
In-line Regulator Step DownMany customers want to use the Avi with existing aircraft oxygen systems to increase endurance, but many of these OEM systems output between 70 100PSI. The Aithre Avi pulse demand systems require an input pressure of 50 60PSI, so plugging the AVI directly into this higher pressure source will break the AVI and will cause oxygen leakage. This Mountain High Aithre regulator will step down the pressure from your existing OEM oxygen system from 70 100 PSI
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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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4.6 ★★★★★
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Lisaura
Fort Morgan, US
★★★★★ 1
Low quality
Size: 8.5 Wide, Color: Cognac, Size: 8.5 Wide, Color: Cognac
Starting to peel after a few uses
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Reviewed in the United States on June 3, 2026
J
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JCINTL
Port Orchard, US
★★★★★ 5
Elegant color, handsome, and sharp wear
Very nice quality, versatile color, very sharp and handsome to wear
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Reviewed in the United States on June 8, 2025
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William Lancaster
Draper, US
★★★★★ 5
Love these shirts
These shirts feel so soft and good to wear.
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Reviewed in the United States on September 1, 2023
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BangAndOlufsen
Lowell, US
★★★★★ 5
Great fit and material
I love these soft cotton polos! So comfortable and fit perfectly. I checked the tags and stitching and they are authentic Ralph Lauren polos!
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Reviewed in the United States on October 13, 2019
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Elvis M.
San Leandro, US
★★★★★ 3
Fades easily
Size: X-Large, Color: Ralph Lauren Black
It starts fading after a few washes
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Reviewed in the United States on August 25, 2025

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