Two varieties of such lamps exist.
Sodium light bulbs.
We also offer special conversion metal halide bulbs that can be used with fixtures intended for high pressure sodium light bulbs.
Ge lucalox high pressure sodium light bulb b17 hps bulb 35 watt 22500 lumen medium base white 1 pack high intensity discharge hid hps bulb for use only with s76 ballast 4 4 out of 5 stars 32 25 02 25.
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400w high pressure sodium replacement led corn light bulbs 120 watt dustproof parking lot fixture retrofit bulb e39 mogul base 5000k pure white for warehouse garage car park ac100 277v 120 4 1 out of 5 stars 21.
Ge lucalox high pressure sodium light bulb b17 hps bulb 70 watt 6400 lumen medium base white 1 pack high intensity discharge hid hps bulb for use only with s62 ballast 4 4 out of 5 stars 33 13 69 13.
Viavolt 600 watt high pressure sodium replacement hid light bulb model v600hps 42 28 42 28.
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Vivosun 2 pack 600 watt high pressure sodium hps grow light bulb lamp high par enhanced red and orange spectrums cct 2100k ultra bright 90 000 lumens 4 3 out of 5 stars 327 28 95 28.
The bulb principally contains solid sodium metal inside a borosilicate glass tube that vaporizes once the lamp is turned on.
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Ge lucalox high pressure sodium light bulb b17 hps bulb 70 watt 6400 lumen medium base white 1 pack high intensity discharge hid hps bulb for use only with s62 ballast 4 4 out of 5 stars 32 13 69 13.
Once the metal is vaporized the emissions become the characteristic bright yellow associated with sodium vapor lamps.
A sodium vapor lamp is a gas discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm.