---
product_id: 455529413
title: "B4U Lava Lamp Bulb, 4 Pack R39 Reflector Bulbs, E14 Dimmable Small Edison Screw SES Spot Light Bulbs, 310 Lumens, Warm White 2700K, 230V"
brand: "b4u"
price: "NT$837"
currency: TWD
in_stock: true
reviews_count: 8
category: "B4 U"
url: https://www.desertcart.tw/products/455529413-b4u-lava-lamp-bulb-4-pack-r39-reflector-bulbs-e14
store_origin: TW
region: Taiwan
---

# 30W power for perfect lava flow Fully dimmable for mood control Warm 2700K glow for cozy ambiance B4U Lava Lamp Bulb, 4 Pack R39 Reflector Bulbs, E14 Dimmable Small Edison Screw SES Spot Light Bulbs, 310 Lumens, Warm White 2700K, 230V

**Brand:** b4u
**Price:** NT$837
**Availability:** ✅ In Stock

## Summary

> 🔥 Light up your vibe, keep the lava alive! 🔥

## Quick Answers

- **What is this?** B4U Lava Lamp Bulb, 4 Pack R39 Reflector Bulbs, E14 Dimmable Small Edison Screw SES Spot Light Bulbs, 310 Lumens, Warm White 2700K, 230V by b4u
- **How much does it cost?** NT$837 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/455529413-b4u-lava-lamp-bulb-4-pack-r39-reflector-bulbs-e14)

## Best For

- b4u enthusiasts

## Why This Product

- Trusted b4u brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Warm Ambient Glow:** 2700K warm white light creates a soothing, inviting atmosphere perfect for any stylish space.
- • **Effortless Lava Flow:** Precisely engineered 30W power gently warms wax for that iconic mesmerizing motion.
- • **Customizable Lighting:** 100% dimmable with most dimmer switches—set your vibe from bright focus to chill lounge.
- • **Seamless Compatibility:** Standard E14 SES screw base fits most lava lamps and decorative fixtures with ease.
- • **Long-Lasting Performance:** Rated for 2000 hours of continuous use, keeping your lava lamp glowing night after night.

## Overview

This 4-pack of 30W R39 reflector bulbs features a standard E14 SES base, delivering 310 lumens of warm 2700K light. Fully dimmable and designed specifically to keep your lava lamp’s wax flowing smoothly, these bulbs offer up to 2000 hours of reliable, cozy illumination—perfect for creating that nostalgic yet trendy ambiance in any modern living or work space.

## Description

B4U Lava Lamp Bulb, 4 Pack R39 Reflector Bulbs, E14 Dimmable Small Edison Screw SES Spot Light Bulbs, 310 Lumens, Warm White 2700K, 230V

Review: As advised - Just as advertised arrived quickly. Did the job they were needed for. Good value too
Review: Perfect 😃 - Perfect for my lava lamps

## Features

- These R39 bulbs have an E14 screw-in fitting and will gently warm the wax inside your lamp to keep the lava flowing.
- Standard E14 base, easy to enstall, instant lighting without delay. Do not touch the bulb during or after use to avoid burns.
- Dimmable: 100% dimmable and suitable for touch lamps and lava lamps, compatible with the most dimmer switch on the market.
- Size: 69mm (H) X 39mm (W). Perfect for lava lamps, ceiling lamps, table lamps, and other light fixtures. Ideal for use in bedroom.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B2PHX3PN |
| Accepted Voltage Frequency | 220 to 240 Volts and 50 Hertz |
| Average Life Span | 2000 Hours |
| Best Sellers Rank | 6,864 in Lighting ( See Top 100 in Lighting ) 12 in Reflector Bulbs |
| Brand | B4U |
| Brand Name | B4U |
| Bulb Base | E14 |
| Bulb base | E14 |
| Color Rendering Index (CRI) | 80 |
| Color Temperature | 2700 Kelvin |
| Colour | 30w |
| Connectivity Technology | USB |
| Control Method | Touch |
| Controller Type | Push Button |
| Country Of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 174 Reviews |
| EU Energy Efficiency Label | 10.33 lumens per watt |
| Incandescent Equivalent | 30 Watts |
| Incandescent equivalent wattage | 30 Watts |
| Indoor Outdoor Usage | Indoor |
| Item Dimensions W x H | 39W x 69H millimetres |
| Item Shape | Reflector(R) |
| Item Weight | 0.07 Kilograms |
| Light Color | warm white |
| Light Output Maximum | 310 Lumens |
| Light Source Wattage | 30 Watts |
| Light Type | Bulb |
| Light type | Bulb |
| Manufacturer | Brightfour |
| Manufacturer Part Number | FUK4R39E1430WP4 |
| Material Type | Glass |
| Model Name | FUK4R39E1430WP4 |
| Model Number | FUK4R39E1430WP4 |
| Number of Items | 1 |
| Package Quantity | 1 |
| Power Consumption | 30 Watts |
| Power Source | electrical |
| Special Features | Dimmable |
| Special feature | Dimmable |
| Specific Uses | Decoration |
| Style Name | Retro |
| Type of Bulb | SES |
| Unit Count | 4.0 count |
| Wattage | 30 watts |
| White Brightness | 310 Lumens |

## Product Details

- **Brand:** B4U
- **Light type:** Incandescent
- **Special feature:** bulbs for lava lamps
- **Wattage:** 30 watts
- **Bulb base:** E14

## Images

![B4U Lava Lamp Bulb, 4 Pack R39 Reflector Bulbs, E14 Dimmable Small Edison Screw SES Spot Light Bulbs, 310 Lumens, Warm White 2700K, 230V - Image 1](https://m.media-amazon.com/images/I/51rhGTDkAjL.jpg)
![B4U Lava Lamp Bulb, 4 Pack R39 Reflector Bulbs, E14 Dimmable Small Edison Screw SES Spot Light Bulbs, 310 Lumens, Warm White 2700K, 230V - Image 2](https://m.media-amazon.com/images/I/51T7cMv3QLL.jpg)
![B4U Lava Lamp Bulb, 4 Pack R39 Reflector Bulbs, E14 Dimmable Small Edison Screw SES Spot Light Bulbs, 310 Lumens, Warm White 2700K, 230V - Image 3](https://m.media-amazon.com/images/I/61Rc8Vlk2-L.jpg)
![B4U Lava Lamp Bulb, 4 Pack R39 Reflector Bulbs, E14 Dimmable Small Edison Screw SES Spot Light Bulbs, 310 Lumens, Warm White 2700K, 230V - Image 4](https://m.media-amazon.com/images/I/51Tviaj+WxL.jpg)
![B4U Lava Lamp Bulb, 4 Pack R39 Reflector Bulbs, E14 Dimmable Small Edison Screw SES Spot Light Bulbs, 310 Lumens, Warm White 2700K, 230V - Image 5](https://m.media-amazon.com/images/I/51ayAtCKEVL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ As advised
*by G***R on 22 December 2024*

Just as advertised arrived quickly. Did the job they were needed for. Good value too

### ⭐⭐⭐⭐⭐ Perfect 😃
*by A***S on 7 September 2026*

Perfect for my lava lamps

### ⭐⭐⭐⭐ Does the job perfectly.
*by F***A on 6 June 2026*

Purchased some time ago, and no experience of reported failings or blown fuses. Value for money and does the job perfectly.

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-10-01*