---
product_id: 203062810
title: "GPH843T5L/LS/40W UVC 254nm Lamp | 40W 33 Inch 4-Pin Single-End Bulb | High Performance UV Replacement | Compatible with Systems Requiring GPH843T5L LS | EPA Registered | Designed in USA"
brand: "lse lighting"
price: "$8.09"
currency: USD
in_stock: true
reviews_count: 6
url: https://www.desertcart.us/products/203062810-gph843t5l-ls-40w-uvc-254nm-lamp-40w-33-inch-4
store_origin: US
region: United States of America
---

# 12,000 hours long lifespan 40W high-efficiency UVC output 33-inch tubular design GPH843T5L/LS/40W UVC 254nm Lamp | 40W 33 Inch 4-Pin Single-End Bulb | High Performance UV Replacement | Compatible with Systems Requiring GPH843T5L LS | EPA Registered | Designed in USA

**Brand:** lse lighting
**Price:** $8.09
**Availability:** ✅ In Stock

## Summary

> ⚡ Illuminate your space with germ-killing power — don’t let bacteria crash your vibe!

## Quick Answers

- **What is this?** GPH843T5L/LS/40W UVC 254nm Lamp | 40W 33 Inch 4-Pin Single-End Bulb | High Performance UV Replacement | Compatible with Systems Requiring GPH843T5L LS | EPA Registered | Designed in USA by lse lighting
- **How much does it cost?** $8.09 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/203062810-gph843t5l-ls-40w-uvc-254nm-lamp-40w-33-inch-4)

## Best For

- lse lighting enthusiasts

## Why This Product

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

## Key Features

- • **Powerful 40W UVC Performance:** Delivers optimal 254nm germicidal wavelength for superior disinfection.
- • **Trusted USA Design & Quality:** EPA-registered and crafted by Light Spectrum Enterprises for reliable, professional-grade use.
- • **Extended 12,000-Hour Lifespan:** Engineered to keep your UV systems running longer without frequent replacements.
- • **Precision 33-Inch Tubular Fit:** Seamlessly replaces existing UV lamps with exact sizing and 4-pin base compatibility.
- • **High Efficiency & Low Energy Draw:** Maximize sanitation while minimizing power consumption at 120V operation.

## Overview

The LSE Lighting GPH843T5L/LS/40W is a 33-inch, 40-watt UVC lamp emitting a germicidal 254nm wavelength, designed as a high-performance replacement for compatible UV systems. With a robust 12,000-hour lifespan and EPA registration, this tubular fluorescent lamp ensures efficient, long-lasting disinfection powered by 120V, making it an essential upgrade for professional-grade indoor UV sanitation.

## Description

Full description not available

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | LSE Lighting |
| Light Type | LED |
| Special Feature | Energy Efficient |
| Bulb Shape Size | T8 |
| Bulb Base | GU4 |
| Incandescent Equivalent Wattage | 40 Watts |
| Specific Uses For Product | Lamp |
| Voltage | 120 Volts |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Shape | Tubular(T) |
| Indoor/Outdoor Usage | Indoor |
| Power Source | Corded Electric |
| Color Rendering Index | 80 |
| Power Consumption | 40 Watts |
| Item Package Quantity | 1 |
| Light Source Type | Fluorescent |
| Light Source Wattage | 40 Watts |
| Accepted voltage frequency | 100 to 120 Volts and 60 Hertz |
| Control Method | App |
| Average Life | 12000 Hours |
| Efficiency | High Efficiency |
| UPC | 843324111959 |
| Part Number | GPH843T5L/LS/254NM |
| Item Weight | 8 ounces |
| Product Dimensions | 33 x 0.5 x 0.5 inches |
| Item model number | GPH843T5L/LS/254NM |
| Is Discontinued By Manufacturer | No |
| Special Features | Energy Efficient |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** LSE Lighting
- **Light Type:** LED
- **Special Feature:** Energy Efficient
- **Bulb Shape Size:** T8
- **Bulb Base:** GU4

## Images

![GPH843T5L/LS/40W UVC 254nm Lamp | 40W 33 Inch 4-Pin Single-End Bulb | High Performance UV Replacement | Compatible with Systems Requiring GPH843T5L LS | EPA Registered | Designed in USA - Image 1](https://m.media-amazon.com/images/I/31Eoa-XxalL.jpg)
![GPH843T5L/LS/40W UVC 254nm Lamp | 40W 33 Inch 4-Pin Single-End Bulb | High Performance UV Replacement | Compatible with Systems Requiring GPH843T5L LS | EPA Registered | Designed in USA - Image 2](https://m.media-amazon.com/images/I/51ftu4oA5mL.jpg)
![GPH843T5L/LS/40W UVC 254nm Lamp | 40W 33 Inch 4-Pin Single-End Bulb | High Performance UV Replacement | Compatible with Systems Requiring GPH843T5L LS | EPA Registered | Designed in USA - Image 3](https://m.media-amazon.com/images/I/61KWYgLQA7L.jpg)
![GPH843T5L/LS/40W UVC 254nm Lamp | 40W 33 Inch 4-Pin Single-End Bulb | High Performance UV Replacement | Compatible with Systems Requiring GPH843T5L LS | EPA Registered | Designed in USA - Image 4](https://m.media-amazon.com/images/I/71cRg9lN7aL.jpg)
![GPH843T5L/LS/40W UVC 254nm Lamp | 40W 33 Inch 4-Pin Single-End Bulb | High Performance UV Replacement | Compatible with Systems Requiring GPH843T5L LS | EPA Registered | Designed in USA - Image 5](https://m.media-amazon.com/images/I/71pu6w5gFFL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ They are batting .500 for now.
*by G***5 on July 28, 2021*

Had 5 stars but the last one only lasted a month. Giving it another chance.

### ⭐⭐⭐⭐⭐ Critical for my well.
*by B***E on June 27, 2023*

This is a uv light that my well water runs thru. This is the second one I have bought and this time bought a couple extra. They should be changed out annually.

### ⭐ Light didn’t work when it came
*by T***Y on March 11, 2025*

Did not work look elsewhere

## Frequently Bought Together

- GPH843T5L/LS/40W 40 watt UVC 254NM Lamp | 40W premium quality UV Lamp | 33 inches long | Ideal replacement for any UV systems which requires this model | Performance Series for Maximum Life and Output
- Realgoal Replacement 40W-55W Electrical Ballast

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-08*