The PFT light bulbs with a 2-pin starter are for use with a magnetic ballast. Those that have a four-pin starter are for use with an electronic ballast. Light bulbs cannot be interchanged with different ballasts.
PFT light bulbs use 75% less energy than incandescent bulbs and have an average rated life of up to 12,000 hours. Their long life helps save money on replacement, maintenance, and labor costs, while their energy efficient fluorescent technology saves money on utilities. All PFT light bulbs offer a high color rendering index of 82 and a 1-year warranty. Plug into energy savings with PFT – a long-lasting, efficient lighting choice.
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