By installing Keystone ballasts, end users are able to experience our exceptional products first-hand. Whether a ballast is being replaced due to age or for a more energy-efficient version, our rigid standards for quality and performance ensure that when you install a Keystone ballast, you are installing the best.
Our defect rate is a miniscule 0.01%. However, if your Keystone ballast fails for any reason, our hassle-free return policy and exceptional customer service mean that you'll get a replacement as quickly and efficiently as possible.
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