Allegro Whistle Nut Assembly W Orifice, 988509C

Allegro Whistle Nut Assembly W Orifice, 988509C

Marsoni

M251S

$112.60

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

Allegro Whistle Nut Assembly W Orifice, 988509CThe Allegro Whistle Nut Assembly with Orifice (model 988509C) is designed as a safety feature for various Allegro respiratory protection systems. This component provides audible alerts to enhance user awareness in industrial environments, particularly where monitoring air supply is critical. Key Features: Audible Warning: The whistle nut produces a loud sound when certain airflow or pressure conditions are detected, alerting users to potential issues

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It's true to size. I have a 42" chest and typically wear a large. I ordered large and it fits. Grab these while you can as most of these mock neck t shirts are a cotton poly blend. These are 98% cotton. This is important because although the cotton/poly blends dry quicker, they are uncomfortably warm if it gets above 70 F. I have purchased other mock turtlenecks and had my local dry cleaners convert them from long sleeves to short, but they are slightly heavier weight than these. I do wish that they made these in a dark green or military green color.

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Reviewed in the United States on March 26, 2026

Verified Purchase

Bella

Lowell, US

★★★★★ 1

100% SYNTHETIC CONSTRUCTION!!!

Color: All White, Size: XX-Large, Color: All White, Size: XX-Large

When I bought this shirt, the listing claimed it was 95% cotton and 5% spandex... the shirt that arrived was 51% polyester, 43% viscose and 6% spandex! I have been impressed by some of their other clothing, but this is the first time I was completely lied to and bamboozled. I probably wouldn't have noticed if the shirt wasn't so hot, shiny, and uncomfortable! I will absolutely be returning this shirt. Not even CLOSE to what I wanted. Quite, quite disappointed.

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Reviewed in the United States on April 29, 2026