
I have been buying these for my UV from this seller for YEARS. They come in bubble wrap and hard cardboard tubes so they'll never break. All UV lamps are rated for MORE THAN a year of 24/7 operation and all lamps they have supplied over the years have at least achieved this level. They are used in my Second Wind UV system, which is more than 30 years old. It continues to work great and only needed those bulbs to further sanitize the air in the farmhouse. Don't worry about fitment or breakage on arrival so I will continue to order from this seller.

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