MONTGOMERYVILLE, PA: December 8, 2015 – Keystone Technologies continues to expand their line of LED tubes with the introduction of T5HO LED tubes. The new T5HO LED tubes provide exceptional lumen levels, but consume half the power of fluorescent tubes. “Keystone is leading the way with LED lamps for high bay installations,” said Ira Greenberg, […]

MONTGOMERYVILLE, PA: October 15, 2015 – Keystone Technologies introduces Shatterproof Glass LED tubes, which are ideal for food service operations, educational settings and any facility that requires safety coated tubes. Keystone’s LED tubes carry agency approval ratings for Food Safety, while offering exceptional lumen levels and energy efficiency. The Shatterproof tubes are available in both Smart Drive […]