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SATCO Lighting S21217 4W G16.5 LED, Clear, Medium Base, 90 CRI, 4000K, 120V
4 Watt G16.5 LED - Clear - Medium base - 90 CRI - 4000K - 120 Volt
Manufacturer Resources
Spec Sheet
Product Specs
- Product Group:
- Indoor Lighting
- Product Subgroup:
- Light Bulbs
- CRI:
- 90+
- Lumens:
- 350L
- Product Material:
- Glass / Nickel Plated Aluminum
- Dimmable:
- Yes-Dimmable
- Product Weight:
- 0.053 lb
Satco Lighting S21217 – Frequently Asked Questions
1) Is the Satco S21217 dimmable on a standard wall dimmer?
The S21217 is a dimmable LED. At 4 watts it draws very little current, so on a line-voltage dimmer controlling only one or two of these lamps you may run below the dimmer's minimum load and see flicker or drop-out. For vanity bars and chandeliers with several lamps on the circuit that is rarely an issue.
2) Is 4000K too cool for a bathroom vanity or hotel guest room?
4000K is neutral white, cleaner and less yellow than the 2700K soft white most residential fixtures use. It suits bathrooms, lobbies, corridors, and commercial restrooms where you want crisp light. If you are matching existing warm lamps in guest rooms or dining areas, 4000K will visibly mismatch and you want a 2700K or 3000K version instead.
3) How bright is the 4W Satco G16.5 LED, and what incandescent does it replace?
It puts out 350 lumens at 4 watts, which is in the range of a 25 to 40 watt incandescent globe. It is a decorative-output lamp for vanities, sconces, and chandeliers, not a primary room light.
4) What does the 90 CRI rating on this Satco G16.5 LED actually get me?
90+ CRI means colors render close to how they look under natural light, which matters at bathroom mirrors, in retail display, healthcare spaces, and anywhere skin tone or merchandise color is judged. Most budget LED lamps sit at 80 CRI; this one is a step up and is the spec institutional and hospitality buyers usually write.
5) I'm standardizing lamps across a property. How do I make sure I reorder the exact same Satco bulb?
Order by Satco part number S21217. That number locks in the 4W G16.5 clear globe, medium base, 90 CRI, 4000K, 120V combination. Ordering by wattage and shape alone will get you mismatched color temperature across the building, which is the usual way a fleet reorder goes wrong.
6) Is the clear glass on this bulb going to be glarey in an open fixture?
The S21217 has a clear glass envelope over nickel plated aluminum, so the LED filament or emitter is visible and the lamp reads as a sparkle source. That is what you want in exposed chandeliers and open-globe vanity bars. In a bare socket at eye level it will be bright to look at; use a frosted lamp there instead.
7) Can I use the Satco S21217 in a ceiling fan or enclosed sconce?
It weighs 0.053 lb, so it is light enough that fan-socket weight is not a concern. For enclosed fixtures, check the Satco spec sheet for this lamp before committing, since enclosed-rated use is a lamp-specific allowance and running an LED in a sealed globe shortens life if it is not rated for it.
How fast can I get the Satco Lighting S21217 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Satco Lighting S21217 come with a warranty?
Absolutely. The Satco Lighting S21217 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Satco Lighting S21217?
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