Good Offer £6.99 for Keystone Flex-3 40K Prefilled Pod Kit
Vapesourcing UK 
Keystone Flex-3 40K Prefilled Pod Kit gives users flexibility and control through its replaceable pod, pre-filled with e-liquid for up to 40,000 puffs. Powered by a detachable 1100mAh rechargeable battery, it supports three output settings—22W, 28W, and 40W—backed by dual mesh coils for smooth vapour and consistent taste. You can easily switch between tight and smooth airflow depending on your preference. Safety is built in, with a child lock button on the battery side that activates after five quick clicks. An integrated digital screen keeps track of battery life and power level, making the Flex-3 40K both practical and reliable.
Keystone Flex-3 40K Features
• Size: 88×55×25mm
• 40,000 Puff Vape
• 1100mAh Rechargeable Battery
• Adjustable Output: 22W-28W-40W
• Visible E-liquid Tank with Light Bar
• Sytek Dual Mesh Coils (0.6ohm)
• 100% No Leakage
• 1s Quick Pod Switch
• Airflow Control: Loose / Tight MTL
• Digital Screen: Battery Life & Wattage
• Compatible With Keystone Flex-3 40K Prefilled Pod
• Child-proof Lock Button: Click 5 Times in 1.5s to Lock / Unlock the Vape
• Type-C Charging Port
Keystone Flex-3 40K Reusable Vape PACKAGE LIST
1 x Keystone Flex-3 40K Device (Battery with Random Colour: Black / Green)
1 x Prefilled Pod
1 x User Manual
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