Modulair 300 Venting Safety Lockout Valve

Modulair 300 Venting Safety Lockout Valve

Marsoni

M251S

$167.70

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

Modulair 300 Venting Safety Lockout Valve3 port 2 position shut off valve relieves downstream pressure when closed Can be locked in the closed position only Features recyclable, biodegradable, and or recycled content Specifications Connection Size 1 4" NPT Standard(s) Met CSA Z460 Standard, OSHA Standard 29 CFR Part 10

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The only no show socks I have ever found that do not slide down. These are very comfortable and the extra tab on the back provides comfort by keeping shoes from rubbing the back of your foot. The top of the sock also comes up high enough to cushion the top of your foot all while still remaining hidden while wearing tennis shoes or even with my hey dudes.

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Reviewed in the United States on November 30, 2025

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Nick

Louisville, US

★★★★★ 5

Great quality and fast shipping

Size: Medium, Color: (001) Black / Black / Castlerock

These socks are tight but after the first wash and dry , they fit perfect and NEVER slide off , ordered a second pack

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Reviewed in the United States on March 24, 2026

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Bargain Rig

Phoenix, US

★★★★★ 5

Comfortable, Durable, and Stylish

Perfect gift choice! Excellent quality socks with a variety of colors to match any wardrobe.

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Reviewed in the United States on November 30, 2025

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Maranda

Phoenix, US

★★★★★ 5

Great fit

Size: Medium, Color: White

Perfect fit and they don't slide off the back of your ankle.

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Reviewed in the United States on March 16, 2026

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Jessica Burdett

Bozeman, US

★★★★★ 5

Best socks!

Size: Medium, Color: Blue

I love these socks! They last for years and they fit so nicely on my feet. I love that I can wear the in tennis shoes or wool boots and they never move!

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Reviewed in the United States on October 21, 2025