Products
- Recessed
  - Whisper^™ Downlights
    New
    The Quiet Ceiling Solution That Speaks Volumes
  - Acrobat^™ Downlights
    Perfect balance of function and form
  - GyroShift^™ Downlights
    Easy adjustability from below the ceiling
  - ECO^™ Downlights
    Stay under budget, over perform
  - Shallow Plenum Downlights
    Adjustable Beam in a Low Plenum IC Box
- Cylinders
  - GyroShift^™ Cylinders
    Adjustable beam in powerful, versatile cylinders
  - GyroShift^™ Architectural
    Adaptive architectural mounting in several shapes and options
  - Entity^™ Cylinders
    New
    Bold and sophisticated architectural form
  - Cylinders^™
    New
    Stylish, directional light
- Multiples
  - GyroShift^™ Recessed
    Independently adjustable multi-light
  - GyroShift^™ Flush Mounts
    Independently adjustable multi-light
  - GyroShift^™ Pendants
    Independently adjustable multi-light
- RLM
  - Shade
    New
    Classic Lines with Options
  - Globe
    New
    A Modern Solution
  - Bullet
    New
    Horizontal and Vertical Motion
  - Explore All RLM
    Discover the lineup
- Legacy
  - Whisper Gen 1
    Limited Availability
  - ECO^™ Gen 1
    Limited Availability
  - Acrobat^™ Gen 1
    Limited Availability
  - CounterAttack^™
    Limited Availability
  - ECO Counter^™
    Limited Availability
  - Troy-RLM
    Limited Availability
Categories
- Browse Products
Company
- Profile
  - Overview
  - Doing Business
    FAQ, Terms of Sale, Warranty
- Resources
  - Spec Sheets, Catalogs & Downloads
    Downloads for current and past models
Purchase
Contact
Downloads
QuickShip

Shallow Plenum

RECESSED DOWNLIGHTS

Fixed and Adjustable housings, ideal for 2 ½" plenum spaces, with superior optics and trim choices. At the heart of each system is CSL’s patented Silent Vu^™ optic system, providing exceptional light quality and control.

Downloads Browse

Fixed or Adjustable

CSL Shallow Plenum downlight systems provide quality built New Construction housings for plenum spaces as low as 2 ½". At the center of every product is a high-performance LED module engineered with enough power and lumens to fill the entire room with quality light, down to the floor through CSL's patented Silent Vu^™ optic system - designed to remove harsh glare and provide perfectly soft, even light throughout the space. Each system offers interchangeable optics to create various distribution patterns and media options offering total light control for general, task and accent lighting. Housings are easy to handle, easy to install and ideal for commercial and residential projects.

LED Light Engine

High quality LEDs chosen with 2 SDCM binning. LED lifetime 50,000 hours.

SilentVU^™ Optic Technology

Removes harsh glare and provides perfectly soft, even light throughout the space.

Shallow Plenum Housing

New construction housings engineered to fit within 2 ½" above the ceiling.

3" Adjustable LENS
Shallow Plenum (SPADJ)

Maximum flexibility in a shallow plenum housing, CSL offers an easily adjustable lens that shifts a focused, round beam of light in any direction with a touch of the finger from below the ceiling, providing 45° aiming and infinite rotation. Additional optics and media are available to create different beam angles and light control. The collar accommodates for various ceiling thicknesses/materials and provides a perfect fit between the optic and trim for a superior look below the ceiling. Round or square trims offer exceptional quality with a traditional flange or modern flangeless style trim and a standard or baffle reflector in 4 different powder coated finishes.

ECO 1", 3", 5"
SHALLOW PLENUM

CSL ECO^™ Shallow Plenum IC Rated New Construction Box Recessed Downlights are the Overachiever - a high-performance, cost-effective system of downlights designed to over deliver on light quality, efficiency, and configurability in plenum spaces as tight as 2 ½". ECO's lighter, agile housing is easy to handle, easy to install, and offers below ceiling access to the driver for easy serviceability. ECO's housing ships with the light module attached and a high-performance dimming driver. Round or square trims offer exceptional quality for a refined below ceiling aesthetic, with traditional flange or modern flangeless style and standard, wall wash, or wet location reflector options.

Acrobat 1", 2", 3", 4"
SHALLOW PLENUM

CSL Acrobat^™ Shallow Plenum IC Rated New Construction Box Recessed Downlights are the Ultimate Performer -engineered to deliver premium light quality and control in any application, to the most exacting standard, in plenum spaces as tight as 2 ½". Acrobat's lighter, agile housing is easy to handle, easy to install, and offers below ceiling access to the driver for easy serviceability. Housings ship with the light module attached and a high-performance dimming driver. Round or square trims offer superior quality for a superior below ceiling aesthetic with a traditional flange or modern flangeless style. Several reflector options are available, and each fit perfectly to hide internal components. Trims and reflectors come in 4 different powder coated finishes.

WHISPER IMPOSSIBLY SMALL
½" TRIMLESS DOWNLIGHTS

Meet CSL Whisper^™, the 1/2" aperture LED recessed downlight built for today's clean, quiet ceiling designs. This impossibly small downlight offers broad flexibility for new construction and remodel projects and fits the shallowest of plenums, requiring as little as 2 ½" of plenum clearance. Whisper delivers up to 1100 lumens of minimal glare light for general, task, and accent lighting from a footprint smaller than a dime to draw the eye to the thoughtfully designed space, not the ceiling. Each housing is precision engineered and built with performance grade aluminum that ensures extended life. Whisper ships complete with a mud-plate attached and your choice of integral or remote dimming drivers.