What is the diameter of this valve?

Hi Andrew, Thanks for the question. It is 3/4" in diameter. Hope this Helps, Sierra 1 866 728 2293 OnlineScuba Since 1996

Will these valves fit Cressi snorkles?

Hello yes this will fit the Cressi snorkel Happy Diving OnlineScuba since 1996 866-728-2293

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IST Silicone Exhaust Valve

Product ID: 72556708

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⚙️Universal compatibility

🛠️Easy installation

🛡️Durable silicone build

Description

🌊 Dive Confidently with IST’s Ultimate Valve Upgrade!

BACKED BY WARRANTY - Confidence guaranteed with full manufacturer coverage
RELIABLE PERFORMANCE - Restores your gear’s safety and comfort with every dive
EFFORTLESS INSTALLATION - Swap out your valve in minutes—no hassle, no downtime
PREMIUM SILICONE MATERIAL - Flexible yet tough for long-lasting performance under pressure
UNIVERSAL FIT FOR IST GEAR - Seamlessly compatible with SN1, SN20, SN26, SN50 snorkels and M11, M12 masks

The IST Silicone Exhaust Valve (P1-2) is a universal replacement part crafted from durable silicone, designed to fit multiple IST snorkel and mask models. Lightweight and easy to install, it restores optimal airflow and safety to your diving gear, backed by a full manufacturer warranty for peace of mind.

Specifications

Package Weight	0.5 Pounds
Item Weight	0.5 Pounds
Brand Name	IST
Warranty Description	This product comes with a full manufacturer warranty.
Color	White
Material	Silicone
Manufacturer	IST
Part Number	P1-2

Reviews

G**T

Worked Great!

Replaced a valve that ‘little fingers’ lost and it covers and works better!

14.08.2021

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