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Description

RAB GR4STL 4 in. Trimless Downlight — 15W / Selectable CCT

The RAB GR4STL is a 4-inch square trimless downlight delivering up to 1,342 lumens using 15W. This high-end fixture offers a selectable CCT range from 2700K to 5000K, making it ideal for both new construction and retrofit applications.

Key Features

  • Wattage: 15W
  • Lumens: 2700K @ 1,146lm; 3000K @ 1,227lm; 3500K @ 1,296lm; 4000K @ 1,342lm; 5000K @ 1,331lm
  • CRI: 90 for high color accuracy
  • Dimming: Compatible with TRIAC/ELV dimming systems
  • Voltage: 120V
  • Beam Angle: 38°
  • Lifespan: 50,000 hours
  • Certifications: ENERGY STAR, Title 24, RoHS compliant
  • Construction: Metal enclosure with a smooth, white finish
  • Installation: Recessed mounting with no housing required

Construction & Aesthetics

This downlight features a smooth, trimless design with a white finish, providing a modern and seamless look. The polycarbonate lens ensures even light distribution.

Electrical & Installation

Operates on 120V with a constant current driver. The fixture is dimmable down to 10% and includes a remote driver/junction box for easy installation.

Light Output & Performance

With a high CRI of 90 and a beam angle of 38°, this downlight ensures excellent color rendering and focused illumination. The LED lifespan is rated at 50,000 hours.

Typical Applications

  • Residential living areas
  • Commercial offices
  • Retail spaces
  • Hospitality environments
  • Wet locations

Specifications

Dimensions

Length/Depth
8.19 in
Width/Diameter
8.19 in
Height
3.5 in
Weight
2.9 lb

Style & Materials

Finish
White
Shape
Square

Characteristics & Features

Lamp Color
2700K, 3000K, 3500K, 4000K, 5000K, Selectable CCT
Color Rendering
90 CRI
Delivered Lumens
1000
Beam Angle
38
Dimmable
Yes
Trim
Open, Trimless
Reflector
Reflector

Electrical Information

Voltage
120V
Total Wattage
15W

Item Details

MPN
GR4STL
Brand
RAB Lighting
Family
Trimless Downlights
UPC
192552033978

Warranty & Certifications

Product Warranty
5 Years
Lamp Life
50,000 Hours
Product Rating
Wet Rated

Shipping & Returns

Shipping: Enjoy free standard shipping on most orders over $99. Exclusions apply for oversized & commercial items. We ship to the contiguous 48 United States.

Returns: We offer a 60-day return window for most items. Products must be in their original, unused condition with all packaging. Exclusions: Special orders, clearance, and custom items.

See Full Shipping Policy | See Full Return Policy

Frequently Asked Questions

Can the RAB GR4STL be used in wet locations?

Yes, the RAB GR4STL is wet rated, making it suitable for wet environments.

What is the wattage equivalency of the RAB GR4STL?

The RAB GR4STL is equivalent to a 90W incandescent bulb.

Is the RAB GR4STL dimmable?

Yes, it is dimmable down to 10% with compatible TRIAC/ELV dimming systems.

What is the beam angle of the RAB GR4STL?

The beam angle is 38°, providing focused illumination.

Does the RAB GR4STL require a recessed housing?

No, it features a trimless design and does not require a recessed housing.
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RAB Lighting

RAB Lighting is a leading manufacturer of professional-grade LED lighting, with a reputation built on innovation, performance, and an unwavering commitment to quality. For over 75 years, RAB has engineered durable, energy-efficient fixtures for commercial and industrial applications. From powerful floodlights to high-performance high bays, RAB is the definitive choice for contractors, specifiers, and facility managers who demand superior and reliable lighting solutions.

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