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Your cart is empty.The most common applications for the Sylvania 400-Watt BT37 HID Light Bulb are atriums, flood lighting, industrial lighting, commercial lighting, retail lighting, lobbies, parking lots, security lighting and shopping malls. This light bulb has a CRI of 65.
Customer
2025-08-26 14:47:10
2 of the lights went out in our covered arena, the bulbs I took out are now obsolete and I was not sure what to order and honestly I was nervous ordering bulbs online. Anyway I contacted this seller by mail and was surprised to get an instant mail from Tim. Over the next 3 mails he answered any questions I had along with explaining the differences between the various bulbs. I ordered 4 bulbs which arrived a day early and perfectly intact, I replaced 2 of these since and they worked perfectly, thank you Tim and team.
Wild Bill
2025-07-09 14:15:08
Nice bulb, Thank You
gary howes
2025-06-13 13:52:56
Super product. Great for gym lighting. Superb packing of a fragile product.
william webster
2025-02-24 18:44:16
Worked great
Rev. Bobby D, Wisconsin
2025-02-15 18:14:31
-:¦:-•:*'"*:•.-:¦:-•* FABULOUS * -:¦:- * HIGHLY RECOMMEND -:¦:-•:*'"*:•.-:¦:-
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