Kalibr 23.30 RTA - Kaser Mods

The Kalibr 23.30 is a rebuildable atomizer designed by French modder Kaser Mods. Featuring a 23 mm diameter, it is equipped with a single-coil build deck, liquid flow control, and a top-filling system.

The airflow is fully adjustable thanks to an interchangeable airflow pin combined with an adjustment ring, allowing precise tuning of the draw.

Price: €133.25

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Kalibr 23.30 RTA - Kaser Mods

The first RTA by Kaser Mods!

Design

The Kalibr RTA is a rebuildable atomizer designed by Kaser Mods. Featuring a 23 mm diameter and a 30 mm height, it offers a 4.5 ml capacity.

Manufactured mainly from stainless steel, it features a top-filling system with a quarter-turn opening. The Kalibr is supplied with two interchangeable chimneys, one dome-shaped and one stepped, allowing users to adjust the flavour output depending on the e-liquid used.

Build deck

Access to the Kalibr 23.30 build deck is achieved via base rotation, offering three distinct positions. One position keeps the liquid inlets open, another disengages the deck, while the last fully closes the liquid flow to facilitate refilling.

The single-coil deck, equipped with two opposite posts, features a central groove for easy coil positioning, along with two dedicated cotton slots for accurate and simplified wicking.

Airflow and customisation

The Kalibr’s airflow system is fully adjustable using interchangeable airflow pins measuring 3.5 mm, 3.0 mm, 2.8 mm, 2.5 mm, 2.0 mm, 1.8 mm, 1.5 mm, and 1.2 mm, making it suitable for MTL to RDL vaping styles.

An additional airflow adjustment is provided via a PEEK component featuring three separate air inlets, allowing further fine-tuning of the draw. In terms of customisation, the Kalibr is supplied with two chimneys: one made entirely of PCTG, and an other combining stainless steel and PCTG, enabling users to customise the atomizer’s appearance.

Package contents

Features

Reference RTA-KSR-KLBR-SS
Brand Kaser Mods
Capacity 4.5ml
Material Stainless steel
Connectors 510
Diameter 23mm
Height 30mm
Inhalation Indirect (MTL) Restrictive Direct (RDL)
Tank Borosilicate
Filling Top filling
Airflow Bottom
Airflow Control By interchangeable pins By rotation of an AFC ring
Liquid Control Yes
Deck Single Coil
Type of product RTA Tank
Brand
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Customer reviews

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Based on 3 reviews

  • Image utilisateur Wayne G.
    Published Mar 10, 2026 at 08:41 am (Order date: Feb 25, 2026)
    5

    Amazing the best I’ve had

  • Image utilisateur Julien P.
    Published Mar 01, 2026 at 05:50 pm (Order date: Feb 10, 2026)
    5

    Very good, good flavor and ingenious! (Translated review)

  • Image utilisateur Carole P.
    Published Feb 19, 2026 at 04:40 pm (Order date: Feb 05, 2026)
    5

    A quality product where everything is designed to be simple, quick, and efficient. And the flavors are top-notch (Translated review)