Are All G9 Halogen Bulbs Dimmable

This item all new g9 led light bi pin base halogen bulbs equivalent 850lm t4 jd type led g9 dimmable bulbs ac110v 120v 130 voltage input daylight white 6000k pack of 4 g9 led light bulb 1100lm 100w halogen bulb equivalent g9 bi pin base corn bulb for home lighting dimmable g9 led bulbs ac120v input 2 pack warm white.
Are all g9 halogen bulbs dimmable.
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