Best prices on Polar heart rate monitor fs1 in Biometric Monitors. Check out BizRate for great deals on Biometric Monitors from Polar. Use BizRate's latest online shopping features to compare prices for Polar heart rate monitor fs1. Read product specifications, calculate tax and shipping charges, sort your results, and buy Health & Beauty Supplies with confidence. Easily narrow your search and find the product that's perfect for you: Polar FS1 Heart Rate Monitor - Polar Heart Rate Monitor FS1- Dark Blue Large.