Description
⚠ Companion Item — Radilum Customers Only
This bulb is sold only as a replacement part for Radilum fixture is not available as a standalone product for general buyers.
- Existing Radilum customers: order this if you need a matching replacement bulb for your fixture.
- New customers: we cannot fulfill standalone bulb orders. We will refund and not ship.
- Need a general bulb? A standard E26 or E27 LED on Amazon offers faster shipping and broader compatibility for any non-Radilum fixture.
A replacement LED Edison-style bulb featuring a 4W 18K gold-wire LED filament insideclear glass. Designed to maintain the warm, vintage filament aesthetic of Radilumfixtures while drawing minimal energy. Available in two sizes to match the originalbulbs in different fixtures.
Sizes
Small∅ 4.5 × H 7.5 cm∅ 1.8″ × H 3″~4WLarge∅ 6 × H 10 cm∅ 2.4″ × H 3.9″~4W
Specifications
| SKU | RDB-115404 |
| Bulb Type | Edison-style LED filament bulb |
| Filament | 18K gold-wire LED filament — warm vintage glow |
| Materials | Aluminum base · Clear glass envelope |
| Socket | E26 (North America) / E27 (EU/UK/AU) |
| Power | 4W |
| Color Temperature | Warm white |
| Voltage | AC 110–240V · Universal |
| Intended Use | Replacement bulb for Radilum fixtures only — not a standalone product |
FAQ
I’m not a Radilum customer — can I still order this? +
No. We only fulfill orders from existing Radilum fixture owners. Standalone ordersfrom new customers will be refunded and not shipped. For a general E26/E27 LED bulbplease purchase from Amazon or a local lighting supplier — you’ll get faster shippingand broader compatibility for non-Radilum fixtures.
Which size matches my fixture? +
The Small (∅ 4.5 × H 7.5 cm) matches most compact Radilum E26/E27 fixtures. TheLarge (∅ 6 × H 10 cm) is for fixtures with visible bulbs designed to show a fullerEdison-style silhouette. If you’re not sure which size your fixture takes, contactus with your original order number and we’ll confirm before shipping.
What’s the 18K gold-wire LED filament? +
The internal LED filament wire is plated in 18K gold. This produces a warmervisual tone in the filament itself (compared to standard silver-wire LEDs), bettermatching the vintage Edison aesthetic of Radilum fixtures.
Is it dimmable? +
The standard build is non-dimmable. If you specifically need a dimmable replacementbulb to match a dimmable Radilum fixture, contact us with your order number and we’lladvise.
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