
H2020B3 Metallic Gray Surface LED Diffuser U Style Cover - Half Cover Flexible LED Diffuser
$200.00 Original price was: $200.00.$100.00Current price is: $100.00.

H3020B Black Surface LED Diffuser U Style Cover - Half Cover Flexible LED Diffuser
$200.00 Original price was: $200.00.$100.00Current price is: $100.00.
H2020B4 Black Surface LED Diffuser U Style Cover – Half Cover Flexible LED Diffuser
SKU:
YF-H2020B4
$200.00 Original price was: $200.00.$100.00Current price is: $100.00.
Per Box
Discover YIFORD’s H2020B4 black surface led diffuser U style cover, a premium half cover flexible led diffuser designed for effortless indoor LED strip lighting. Featuring a sleek black top surface and open-bottom design, it simplifies installation, provides excellent dustproof and splashproof protection, and allows for creative curved or complex lighting designs.
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Description
The YIFORD H2020B4 is a high-quality, half cover flexible led diffuser with a black surface, part of our silicone LED channel system. Its innovative open-bottom (half cover) design enables direct placement over LED strips without threading, saving installation time and effort. Constructed from soft, flexible silicone, it can be bent frontally and laterally, making it ideal for intricate or curved lighting projects. Recommended for indoor use with 12mm wide LED strips, it offers a 180-degree wide beam emission for uniform illumination.
Product Overview

Model: H2020B4
Section Size: 20mm x 20mm
Top Surface: Black
Edge Width: 1mm black edges on two sides
Recommended LED Strip Width: 12mm
Material: Durable, flexible silicone with black finish
Application Conditions: Indoor, dustproof, splashproof (not water submersible)
Half Cover Design for Easy Installation
Key Features:
The H2020B4 half cover flexible led diffuser offers an easy-to-install, stylish, and highly flexible solution for indoor LED lighting projects. Its open-bottom design eliminates the need for threading LED strips, while the soft silicone allows for complex or curved installations. With a sleek black surface and broad 180° emission, it ensures uniform, attractive lighting with minimal fuss.

Innovative Half Cover Design for Effortless Installation
The open-bottom structure allows direct covering over LED strips without threading through the silicone sleeve, significantly simplifying setup.

Highly Flexible Silicone Material for Curved & Complex Lighting
Soft silicone construction enables easy bending frontally and sideways, perfect for creating arcs, curves, or intricate shapes.

Sleek Black Surface with Edging for Secure Fit
The black top surface combined with 1mm wide black edges offers a modern, aesthetic appearance and secure slot-fitting in mounting channels.


Wide 180-Degree Light Emission for Uniform Illumination
Designed for front-facing light with a broad beam angle, providing excellent diffusivity and even light distribution.

Secure Slot Compatibility with Finge Edges & Accessories
The 1mm black fringe edges allow for firm snap-in installation into slots or channels, compatible with accessories like mounting clips, aluminum profiles, and flexible aluminum profiles (22.5mm x 21.5mm).

Indoor Use with Dustproof & Splashproof Protection
Provides effective dust and water splash protection, ideal for indoor decorative and functional lighting, but not suitable for underwater or outdoor wet environments.
How to use H2020B4 Black Surface LED Diffuser U Style Cover – Half Cover Flexible LED Diffuser
The Half Cover Silicone LED Channel System stands out in installation and application by allowing users to easily place it directly over installed LED strips, which simplifies the setup process and eliminates the need for prior assembly. This flexibility makes it ideal for on-site adjustments and installations in various settings, such as residential or commercial environments. Additionally, its design allows for partial visibility of the LED strip, creating a unique aesthetic appeal while still providing effective light diffusion, making it suitable for applications where both protection and visual impact are desired.

No need insert the led strips first.
Installation Instructions:
1. Preparation:
Ensure that the LED strip is securely mounted in the desired location.
2. Placing the Half Cover:
Simply align the half cover over the installed LED strip, ensuring it fits snugly and securely.
3. Final Checks:
Check that the cover is properly seated and that the LED strip is functioning as expected.
H2020B4 Black Surface LED Diffuser U Style Cover – Half Cover Flexible LED Diffuser Applications Ideas:
- Indoor Decorative Lighting: Perfect for living rooms, offices, hotels, and high-end interiors that require sleek, customizable lighting solutions.
- Display & Showcase Lighting: Ideal for retail displays, exhibitions, and showcase lighting where even, wide-angle illumination enhances visual appeal.
- Architectural Accents: Use in coves, arches, niches, or complex architectural elements to create captivating interior effects.
- Signage & Commercial Displays: Elevate indoor signs and advertisements with stylish diffusion and easy installation.
- Flexible Curved Installations: Its silicone flexibility makes it suitable for curved, arched, or custom-shaped lighting designs in various indoor environments.
- Retail & Commercial Spaces: Illuminate product displays or highlight features with a clean, professional look.












Why choose Yiford H2020B4 Black Surface LED Diffuser U Style Cover – Half Cover Flexible LED Diffuser
YIFORD is a leading provider of high-quality silicone LED channel systems and accessories, committed to delivering innovative solutions that combine aesthetics with practicality. The H2020B4’s half cover design reduces installation time by allowing direct placement over LED strips without threading, while its flexible silicone construction enables complex or curved installations. Its sleek black finish and broad 180° emission make it a versatile choice for indoor decorative and functional lighting projects.
Our extensive accessory lineup—including mounting clips, aluminum profiles (22.5mm x 21.5mm), and flexible aluminum profiles—provides comprehensive options for secure and customizable installation. The durable silicone material ensures long-lasting performance, and the open-bottom design maintains ease of access for maintenance or future upgrades.
Choose YIFORD’s H2020B4 for reliable, stylish, and flexible indoor LED lighting solutions that meet the highest standards of quality and innovation.
H2020B4 Black Surface LED Diffuser U Style Cover – Half Cover Flexible LED Diffuser Questions and Answers
What makes the Half Cover Silicone LED Diffuser different from other LED diffusers?
YIFORD's Half Cover Silicone LED Diffuser features an open bottom design, which allows for easy installation by simply placing it over the LED light strip without having to thread the light strip through the pipe. This design is particularly suitable for indoor use and provides dust and splash protection.
Can the Half Cover Silicone LED Diffuser be used outdoors?
Although the Half Cover Silicone LED Diffuser is splash and dust proof, it is not suitable for outdoor use or underwater applications due to its open bottom design. It is recommended to be used indoors only.
What is the main purpose of this Half Cover Silicone LED Diffuser?
This Half Cover Silicone LED Diffuser is mainly used to soften and evenly distribute the light of the LED light strip, reduce glaring light spots, and provide partial waterproof protection. It is suitable for scenes such as indoor and outdoor decoration, cabinet lighting, billboards, etc.
What types of LED light strips are suitable for this diffuser?
It is suitable for standard size LED light strips, such as 3528, 5050 and other models. and COB led strips also ok. The width of the light strip shall not exceed the width of the bottom of the sleeve. If you are not sure if your light strip is compatible, please provide the size of the light strip and we can confirm it for you.
What is the material of this diffuser? Is it environmentally friendly?
This diffuser is made of high-quality silicone material, which is flexible, high temperature resistant and anti-aging. Silicone material is environmentally friendly and non-toxic, compliant with RoHS standards, and suitable for long-term use.
Is it complicated to install this diffuser?
Installation is very simple! Just put the LED light strip into the slot of the diffuser and fix the diffuser in the desired position. No additional tools are required, suitable for DIY installation.
What is the temperature range of this diffuser?
This silicone diffuser has a temperature range of -40°C to 200°C, which can adapt to most indoor and outdoor environments and ensure that it can still work normally in high or low temperatures.
What is the length and size of the diffusion cover? Can it be trimmed?
The diffusion cover is packaged in a roll shape, usually 100 or 200 meters, and buyers can cut it freely to accommodate LED light strips of different lengths.
What accessories are compatible with the half-cover silicone LED diffuser?
The half-cover silicone LED diffuser is compatible with mounting clips, aluminum profiles and flexible aluminum profiles, and the aluminum profiles provide additional structural support and better heat dissipation.
Will this diffuser affect the brightness of the LED strip?
The diffuser will slightly reduce the brightness of the LED strip, but its main function is to soften the light, make the light distribution more even, reduce glaring light spots, and thus improve the overall lighting effect.
Overview of YIFORD’s Silicone LED Channel System
YIFORD’s LED Silicone Sleeve, also known as silicone tube, or silicone sleeve, silicone diffuser and so on, is designed specifically for LED strips and offers a range of benefits including heat insulation, impact resistance, and waterproofing.
These systems are hollow and come in various sizes and shapes, accommodating LED strips from as narrow as 3mm to as wide as 30mm.
They are available in different light-emitting angles, such as 120°, 180°, 270°, and 360°.
Package roll of 50 meters, 100 meters or 200 meters, Can be cut at any position.
Yiford can also add the woven ropes to the outside of the silicone led channel system to increase the artistic effect of the light or special functions.
YIFORD’s Silicone LED Channel System is categorized into the following types:
Topview Type: Suitable for applications requiring forward-bending LED strips.
Sideview Type: Ideal for applications needing side-bending LED strips.
Round Type: Perfect for applications requiring a larger light-emitting angle and a circular light effect.
Black Type: Designed for applications where reduced light pollution or specific design requirements are needed.
Fringe Type: Offers additional protection and securing features.
Half Cover Type: Allows for direct application over LED strips without threading them through the tube beforehand, primarily for indoor use.
All In One Co-Extrusion Type: LED strips are fused with silicone material using machinery, resulting in a finished product with enhanced aesthetics, durability, and special functions.
When LED strips are combined with the Silicone LED Channel System and end caps, they form YIFORD’s SILICONE LED STRIP LIGHTS, a complete product line available in a separate catalog on our website’s DOWNLOAD page.


Additional information
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20×20 mm |
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12mm |
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180° |
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