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Here are Similar First & Second Stages:
Review Summary
Balanced Diaphragm
Four 3/8" Threaded
Two 7/16" Threaded
Yes, Inhalation Effort & Dive/Pre-Dive Venturi Switch
Pneumatically Balanced
First Stage: Chromed Brass
Second Stage: Body; Techno Polymer
Cover: Chromed Brass & Brushed Stainless Steel
3/8"
33.5" (85.1cm)
28.54 oz (809g) w/Hose
843607516020


The Master Ellipse SC regulator is perfect for diving professionals like instructors, guides, and researchers, offering performance, ergonomic reliability, and easy maintenance. Its unique T-shaped first stage with a balanced diaphragm ensures better hose arrangement and occupies less space. The regulator is easy to inspect and maintain, featuring a larger, high-efficiency conical filter and a marine brass metal body with a resilient PVD coating.
The environmentally sealed balanced diaphragm protects delicate internal parts from contaminants like salt, sand, and chlorine, resulting in less maintenance and longer-lasting performance. The T10 - SC first stage is specifically designed to prevent water contact, making it ideal for cold water dives and environments with mineral salts.
The second stage of the Master Ellipse SC features Cressi's proven pneumatically balanced valve for minimal inhalation effort. The PVD-treated metallic body and knob ensure reliability and durability, while the easy-grip knob allows fine-tuning of breathing resistance, even with gloves on. The venturi switch offers customizable breathing by preventing free-flow on the surface and maximizing performance underwater.
The noise-absorbing techno-polymer second stage housing adds to the regulator's comfort. It comes with a lightweight, flexible 33.5" (85.1cm) 3/8" threaded hose and weighs just 28.54 oz (809g). The regulator is EN250/2014 certified and made in Italy, complete with an owner's manual.
800-338-9143