Keystone Flex-3 68K: The 68,000-Puff Pod System

The Keystone Flex-3 68K is a rechargeable pod system that pairs a reusable device with big 20mL prefilled pods rated up to 68,000 puffs — so instead of tossing a whole disposable, you keep the device and just swap the pod. Here's how the system works, the device and pods, the flavours, and where to buy it in Canada.

What is the Keystone Flex-3 68K?

It's a two-part system: a rechargeable Keystone Flex device (the battery) and prefilled Flex-3 68K pods that click into it. Each pod holds 20mL of 20mg/mL e-liquid and is rated up to 68,000 puffs — Keystone says that's about 30% more than the previous generation. The device has adjustable power and airflow and a visible tank, so you can see your e-liquid level and tune the draw. When a pod runs out, you snap in a new flavour and keep the same device.

The device

The Keystone Flex Pod Device ($9.99) is the rechargeable battery for the system: a 1100 mAh cell with three power settings (22W / 28W / 40W), a smart indicator with a hidden screen for real-time status, and Type-C fast charging. It comes in Black, Silver and Green. Buy it on its own if you already have pods, or get it bundled in the starter kit below.

The 68K pods

The Keystone Flex-3 68K Replacement Pod ($33.99) is where the vaping happens: a 20mL prefilled pod at 20mg/mL nicotine, rated up to 68,000 puffs, with a visible tank and adjustable airflow. It comes in 15 flavours:

Blueberry Ice, Blue Razz, Cherry Blast, Dark Fizz, Dragonfruit Lychee, Grape Apple, Mango Rita, Miami Mint, Peach Berry, Peach Mango, Rainbow Blast, Sour Pineapple Ice, Strawberry Watermelon, Watermelon Ice, and White Grape Ice.

The Starter Kit — the easiest way in

New to the system? The Keystone Flex-3 68K Starter Kit ($33.99) gives you the device and one 68K pod together in the flavour of your choice — everything you need to start. One note: in the kit, the device colour is randomly assigned (Silver, Black or Green). After that, you just buy replacement pods.

Why a refillable pod system instead of a disposable?

Two reasons people pick a system like this over a single-use disposable: you keep the device and only replace the pod, and there's less to throw away each time. You also get more control — three power levels and adjustable airflow let you tune the draw and vapour, which a sealed disposable can't. The trade-off is that you charge and maintain one device instead of grabbing a fresh one.

The specs, quick and simple

A straight note on that 68,000 number: it's the manufacturer's maximum, measured in ideal conditions. Real life is lower — higher power settings and longer draws use more juice and battery. Treat it as a ceiling, not a promise. We explain why puff ratings run high in our Do 80,000-Puff Vapes Really Last Longer? guide.

Buying more than one pod? Mix & Match

Stocking up on flavours? The Flex-3 68K pods are eligible for our Pods Mix & Match deal — build a bundle across eligible pods and the discount applies automatically at checkout.

Who's it for?

The Keystone Flex-3 68K suits vapers who like the convenience of a prefilled pod but want a reusable device, more control over the draw, and a long-lasting pod they don't have to replace often. If you'd rather keep one device and swap flavours than buy a new disposable each time, this is a good fit.

A few quick questions

How does the Keystone Flex-3 system work?
You charge the reusable Keystone Flex device and click in a prefilled Flex-3 68K pod. When the pod is empty, you replace just the pod — the device keeps going.

How many puffs does one pod last?
Up to 68,000 — the maker's maximum. Your real number will be lower depending on your power setting and how you vape.

Should I buy the device or the starter kit?
If you're new to it, the starter kit ($33.99) is the easiest — it includes the device and a pod. If you already have the device, just buy replacement pods.

Can I choose the device colour?
Buying the device on its own, yes (Black, Silver or Green). In the starter kit, the device colour is randomly assigned.

What nicotine strength are the pods?
20 mg/mL — the maximum allowed for sale in Canada.

Where to Buy

Get the Keystone Flex-3 68K Starter Kit at Supa Vapes, or browse all pod systems online with shipping across Canada. You can also come see us in store:

• Supa Vapes Ottawa — 1729 Walkley Rd, Ottawa, ON (inside Herongate Square) · 613-260-2383
• Supa Vapes Hawkesbury — 1502 Main St E, Hawkesbury, ON · 613-632-2844

Open 9:00 AM – 9:00 PM, every day.

The short version

The Keystone Flex-3 68K is a rechargeable pod system: a $9.99 device plus 20mL, up-to-68,000-puff pods in 15 flavours at $33.99 (or both in the $33.99 starter kit). Keep the device, swap the pod, tune the draw. Grab the starter kit at Supa Vapes, or browse all pod systems.