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Experience Real-Time Heart Monitoring with Frontier X2, 24 Hours of Continuous ECG. Stay informed about your heart health with this Wearable Heart Rate Monitor.
Save on Frontier X2 with a Fourth Frontier promo code
Checkmate is a savings app with over one million users that have saved $$$ on brands like Fourth Frontier.
The Checkmate extension automatically applies Fourth Frontier discount codes, Fourth Frontier coupons and more to give you discounts on products like Frontier X2.
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