System Pressure Testing Kit

Marsoni

M251S

$87.95

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

System Pressure Testing KitThis kit provides a way for you to test your existing built in O2 system to determine if it's compatible with our AVI 1 and 2 place standalone systems. Simply test by connecting the provided plumbing to your cannula port to observe the pressure in line using the convenient gauge and valve. Ideal pressure should be 40 60 PSI when the valve is in the off position without flow. Price includes shipping both directions for continental U. S. addresses.

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Your System Pressure Testing Kit orders ship within 1-2 business days.

Delivery Options:

Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 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.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

This is my third watch I’ve had in the last 10 years. I bought my first one in 2014 when I was doing triathlons. My second one just died after surfing/working in a hospital with it for the last 3-4 years. I could of just changed the battery but for $40 and it will last, I thought hmmm let’s just get a new one. No complaints! Shipping arrived in 2 days, and the price can’t be beat. If you are looking for a simple watch to wear and not having to worry about getting it messed up this is it! I had a garmin 410xt that I had to charge etc but this watch is extremely convenient and comfortable. High recommend!

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Reviewed in the United States on August 30, 2023

Verified Purchase

Gregory C.

Fort Morgan, US

★★★★★ 3

Not great...

Color: Black/Negative

The dial is so dark that I can barely see the numbers. Very, very disappointing.

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Reviewed in the United States on May 4, 2026

Verified Purchase

GARY

Omaha, US

★★★★★ 5

PERFECT

Color: Black

Watch is light weight. Has a good feel on the wrist and easy to read during the day and easy to read with the indigo back light at night. I have large wrists and this size is good. For smaller people it might be to large. The functions work well and its water tight. Its durable and keeps on ticking.

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Reviewed in the United States on September 4, 2024