
H2020B4 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.

H3020 Half Cover LED Diffuser U Style – Flexible LED Silicone Diffuser for Indoor Lighting
$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
SKU:
YF-H3020B
$200.00 Original price was: $200.00.$100.00Current price is: $100.00.
Per Box
Discover YIFORD’s H3020B black surface led diffuser U style cover, a versatile half cover flexible led diffuser designed for seamless indoor LED strip lighting. With an open-bottom design, black top surface, and flexible silicone construction, it allows quick installation, provides dustproof and splashproof protection, and supports creative curved or complex lighting effects.
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Description
The YIFORD H3020B is a high-quality, half cover flexible led diffuser featuring a sleek black surface and a U style profile. Its innovative open-bottom (half cover) design enables direct overlay on LED strips without threading through the silicone sleeve, greatly simplifying installation. Made from soft, flexible silicone, it can be bent frontally and sideways, perfect for creating curved or intricate lighting designs. Recommended for indoor use with 15mm or 20mm wide LED strips, it offers a broad 180° light emission for uniform, attractive illumination.
Product Overview

Model: H3020B
Section Size: 30mm x 20mm
Top Surface: Black
Edge Width: 3.5mm black edges on both sides
Recommended LED Strip Width: 15mm or 20mm
Material: Durable, flexible silicone with black finish
Application Conditions: Indoor, dustproof, splashproof (not suitable for water submersion)
Half Cover Design for Easy Installation
Key Features:
The H3020B half cover flexible led diffuser combines ease of installation, aesthetic appeal, and flexibility. Its open-bottom design allows direct cover over LED strips, and the soft silicone material supports complex shapes and curved layouts, making it ideal for sophisticated indoor lighting projects.

Innovative Half Cover Design for Effortless Installation
The open-bottom structure allows direct placement over LED strips without threading, saving time and simplifying the installation process.

Flexible Silicone Material for Curved & Complex Shapes
Constructed from soft silicone, this diffuser can be bent frontally and laterally, making it ideal for arcs, curves, or intricate lighting layouts.

Sleek Black Surface with Edging for Secure, Stable Fit
The black top surface paired with 3.5mm wide black edges ensures an elegant appearance while enabling easy snap-in into mounting slots or channels.


Broad 180-Degree Light Diffusion for Even Illumination
Designed to emit light at 180°, providing a wide, uniform glow that enhances aesthetic and functional lighting effects.

Compatible with Various Accessories for Versatile Installations
The 3.5mm fringe edges facilitate secure snapping into slots or clips. It pairs well with mounting clips, aluminum profiles (33.5mm x 23mm), and flexible aluminum profiles for diverse applications.

Indoor Use with Dustproof & Splashproof Protection
Offers reliable dust and water splash resistance suited for indoor environments, but not suitable for underwater or outdoor wet conditions.
How to use H3020B 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.
H3020B Black Surface LED Diffuser U Style Cover – Half Cover Flexible LED Diffuser Applications Ideas:
- Indoor Decorative Lighting: Perfect for homes, offices, hotels, and high-end interiors requiring sleek, customizable lighting solutions.
- Display & Showcase Lighting: Ideal for retail displays, exhibitions, and showcases where uniform, wide-angle illumination enhances visual appeal.
- Architectural Accents: Use in coves, arches, niches, or intricate architectural features for elegant indoor effects.
- Signage & Commercial Displays: Elevate indoor signage and advertising boards with stylish diffusion and easy installation.
- Flexible Curved Installations: The silicone’s softness allows for curved, arched, or irregular installations in various indoor settings.
- Retail & Commercial Spaces: Illuminate product displays or highlight interior features with a modern, professional look.












Why choose Yiford H3020B Black Surface LED Diffuser U Style Cover – Half Cover Flexible LED Diffuser
YIFORD specializes in high-quality silicone LED channel systems and accessories, offering innovative and reliable lighting solutions. The H3020B’s half cover design streamlines installation by allowing direct overlay on LED strips without threading, saving time and labor. Its flexible silicone construction supports complex shapes and curves, while the sleek black surface with broad 180° emission ensures bright, even light distribution. Compatibility with accessories like mounting clips and aluminum profiles (33.5mm x 23mm) makes it adaptable for a wide range of indoor lighting projects.
Our durable silicone material guarantees long-lasting performance, and the open-bottom design maintains easy access for maintenance or upgrades. Whether for decorative, architectural, or commercial applications, the H3020B offers excellent versatility, style, and functionality.
H3020B 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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30×20 mm |
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15mm ,20mm |
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180° |
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