---
product_id: 4480859
title: "18 Watts 2G11 Base UV-C Germicidal Ultraviolet Light Bulb Qty 2"
brand: "cnz"
price: "€ 55.39"
currency: EUR
in_stock: true
reviews_count: 9
category: "Cnz"
url: https://www.desertcart.nl/products/4480859-18-watts-2g11-base-uv-c-germicidal-ultraviolet-light-bulb
store_origin: NL
region: Netherlands
---

# 8000 hours lifespan 18W power efficiency 2G11 4-pin base 18 Watts 2G11 Base UV-C Germicidal Ultraviolet Light Bulb Qty 2

**Brand:** cnz
**Price:** € 55.39
**Availability:** ✅ In Stock

## Summary

> 💡 Illuminate Cleanliness, Eliminate Germs — Stay Ahead with CNZ UV-C Power!

## Quick Answers

- **What is this?** 18 Watts 2G11 Base UV-C Germicidal Ultraviolet Light Bulb Qty 2 by cnz
- **How much does it cost?** € 55.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/4480859-18-watts-2g11-base-uv-c-germicidal-ultraviolet-light-bulb)

## Best For

- cnz enthusiasts

## Why This Product

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

## Key Features

- • **Precision 2G11 Base:** Seamless fit with popular UV clarifiers and aquarium systems
- • **Dual Bulb Value Pack:** Two bulbs for the price of one—double the protection, double the savings
- • **Power-Packed 18 Watts:** Optimal UV-C output for effective germicidal action
- • **Long-Lasting Brilliance:** Up to 8000 hours of continuous, reliable use
- • **Crystal Clear Water Guarantee:** Trusted by pond and aquarium pros for visibly cleaner, healthier water

## Overview

The CNZ 18 Watts 2G11 Base UV-C Germicidal Light Bulb is a high-efficiency, long-life fluorescent tube designed for indoor aquarium and pond sterilization. Featuring an 18W UV-C output and a durable 2G11 4-pin base, this dual-pack offers 8000 hours of germicidal performance, ensuring crystal-clear water and a healthier aquatic environment. Compatible with leading UV clarifier models, it’s the professional’s choice for effective microbial control.

## Description

Compatible with the following products: Resun 18 Watt Clarifier, SUNSUN CUV-118 UV Clarifier, Jebao PU-18, CF-30, BCF-12000, NPU-18

Review: Perfect fit, no problems. - Perfect OEM replacement bulbs
Review: Very effective in cleaning the fish pond. The water is crystal clear! - Very easy to install. The value was remarkable! Two bulbs for less the the price of one at a local nursery.

## Features

- Length - Inches: 8.75
- Bulb life 8000 hours
- Base: 2G11
- Pin Pattern: Straight Line
- Number of Metal Pins: 4

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B007CMBKSU |
| Accepted voltage frequency | 100 to 240 Volts and 50 Hertz to 60 Hertz |
| Average Life | 8000 Hours |
| Best Sellers Rank | #201,921 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,170 in Fluorescent Tubes |
| Brand | CNZ |
| Brightness | Not Obtainable (NO) directly, but assumed to be lower due to 18 watts power consumption lumens |
| Bulb Base | E11 |
| Bulb Shape Size | T |
| Color | Purple |
| Control Method | Touch |
| Date First Available | February 23, 2012 |
| Efficiency | Low |
| Incandescent Equivalent Wattage | 40 Watts |
| Indoor/Outdoor Usage | Indoor |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 2 |
| Item Weight | 5.6 ounces |
| Item model number | CNZG1118 |
| Light Color | Purple |
| Light Source Type | UV-C |
| Light Source Wattage | 18 Watts |
| Light Type | Fluorescent |
| Manufacturer | CNZ |
| Material | Glass |
| Number of Items | 1 |
| Package Dimensions | 9.76 x 5.51 x 1.54 inches |
| Power Consumption | 18 Watts |
| Power Source | Corded Electric |
| Shape | Tubular(T) |
| Special Feature | color |
| Specific Uses For Product | Aquarium |
| Style | Standard |
| UPC | 651046602309 |
| Unit Count | 2.0 Count |
| Wattage | 18 watts |

## Product Details

- **Brand:** CNZ
- **Bulb Shape Size:** T
- **Light Type:** Fluorescent
- **Special Feature:** color
- **Wattage:** 18 watts

## Images

![18 Watts 2G11 Base UV-C Germicidal Ultraviolet Light Bulb Qty 2 - Image 1](https://m.media-amazon.com/images/I/31xNyOYNa9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect fit, no problems.
*by R***R on February 2, 2026*

Perfect OEM replacement bulbs

### ⭐⭐⭐⭐⭐ Very effective in cleaning the fish pond. The water is crystal clear!
*by A***K on June 17, 2021*

Very easy to install. The value was remarkable! Two bulbs for less the the price of one at a local nursery.

### ⭐⭐⭐⭐ perfect fit
*by K***T on January 13, 2014*

We looked around the town where I live and could not find a replacement bulb for our uv pond light, It was an investment for this unit to control most bacteria, and to not be working made us upset. So thank you!

## Frequently Bought Together

- CNZ 18 Watts 2G11 Base UV-C Germicidal Ultraviolet Light Bulb Qty 2
- Jebao PU-18 Pond and Aquarium Clarifier, 18-watt

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---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-11*