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IST Non-Adjustable Regulator System

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SKU: R-20
Product Code: 3853
Availability: Usually ships within 24 Hours
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  • • Piston 1st stage
    • 0-20 Non-adj 2nd stage
    • The breathing tube is made from a special Polymer resin, which allows the second stage to remain neutral in the water
    • The benefit is less jaw fatigue and a more comfortable dive
    • The rocker arm lever is made from stainless for smooth action and controlled breathing
    • Our reflection system, which can be viewed inside the mouthpiece, directs air towards the mouth to create a swirling Ventri for smooth natural breathing

    O-20: COLOR:Neon Yellow
    R-20: COLOR:Black

    Performance Data
    • Inhale pressure: 12.86mbar
    • Inhale pos pressure: 4.91
    • Exhale pressure: 10.11mbar
    • Ext work of breath: 0.72 J/I
    • Inhale work: 0.22
    • Pos inhale work: 0.10
    • Exhale work: 0.65

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IST Sports™ specializes in SCUBA diving gear. Since its beginnings in 1975, IST has established itself as a reliable source of high-quality diving equipment, now recognized internationally as a top-of-the-line diving brand. Their original focus was on masks, snorkels and fins, but over the years they have expanded their offerings to include the full range of SCUBA gear, from buoys to wetsuits to diving knives.

IST makes quality a priority, since successful SCUBA diving hinges on gear you can trust. IST masks are not only comfortable, but are also water-tight and easily adjustable for the best possible fit. Snorkels are designed with the SCUBA diver in mind, including details like a large purge valve, splash guard and lightweight tubing. IST clothing like wetsuits, booties, caps and gloves make it possible for divers to outfit themselves for cold water dives with durable yet affordable pieces. Their gear covers the gamut of cold to warm water users, recreational to spear fishing divers and affordable to high-end.

IST wetsuits, IST snorkels, IST fins, IST masks and IST knives are excellent pieces of SCUBA gear for anyone who has a passion for diving – whether beginner or seasoned Expert. Whether you need just a replacement mask or a completely new set up, IST has a selection of gear that is sure to meet your needs. With IST, divers know they're getting the highest quality equipment from a company with decades of experience in the diving community.