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Select Your Territory:
My Account
- Interior
- Exterior
- Controls
- Decorative
-
Specialized
- Art Lighting
- Backlighting
- Buy American
- Cable Systems/Conduit
- Clean Room
- Dark Sky Approved / Compliant
- Data Centers
- Declare / Red List Approved
- DLC
- DMX / Dali
- Food Processing/NSF Rated
- Hazardous/Marine
- Healthcare
- JA8
- Light Bulbs/Ballasts/Drivers
- Modular Architectural Lighting Systems
- Natatoriums
- Parking Garage
- Plugging Boxes
- RLM Domes and Shades
- Signage Lighting
- Simulated Windows and Skylights
- Solar
- Sports Lighting
- Steam Room/ Sauna
- Submersible
- Sustainable
- Transportation
- Vandal Resistant / Anti-Ligature
All Categories
- Acoustic
- Ceiling/Surface Mount
- Cove/Perimeter
- Cylinder
- Downlight
- Exit/Emergency
- Industrial-Low Bay/High Bay
- Linear
- Mirror
- Pendant/Suspension
- Rings
- Steplight
- Strip/Wrap
- Tape & Rope
- Task/Under Cabinet
- Track/Rail
- Troffer/Flat Panel
- Wall Mount
- Area/Site/Roadway
- Bollard/Low Level
- Catenary/String
- Ceiling/Canopy/Garage
- Cylinder
- Exit/Emergency
- Flood/Facade
- Handrail
- In Grade
- Industrial
- Landscape
- Linear
- Pedestrian/Site
- Pendant
- Poles
- Poles-Bases/Accessories
- Steplight
- Tape & Rope
- Wall
- Wall Pack
- Art Lighting
- Backlighting
- Buy American
- Cable Systems/Conduit
- Clean Room
- Controls
- Dark Sky Approved / Compliant
- Data Centers
- Declare / Red List Approved
- DLC
- DMX / Dali
- Food Processing/NSF Rated
- Hazardous/Marine
- Healthcare
- JA8
- Light Bulbs/Ballasts/Drivers
- Modular Architectural Lighting Systems
- Natatoriums
- Parking Garage
- Plugging Boxes
- RLM Domes and Shades
- Signage Lighting
- Simulated Windows and Skylights
- Solar
- Sports Lighting
- Steam Room/ Sauna
- Submersible
- Sustainable
- Transportation
- Vandal Resistant / Anti-Ligature
CTK 
The CTK retrofit kit provides a quick and affordable way to upgrade your existing lensed troffers to a high performing, architecturally styled fixture.
Spec Sheets
COL CTK SPECKKJ.PDF
IES Files
CTK22 2835XMW.IES
CTK22 2840NRJ.IES
CTK22 3335RBJ.IES
CTK22 3340VVA.IES
CTK22 4035N3W.IES
CTK22 4040XJG.IES
Fixture Details
Color Temperature:
3500, 4000
Lumen:
2,600 - 4,500
Mounting:
Recessed
Optics:
Lambertian
Wattage:
20 - 35
Features Benefits:
Existing prismatic or parabolic troffers can be retrofitted with LED architectural lighting; The integrated assembly enables installation. 0-10V dimming down to 10 percent; Polycarbonate lens with high efficiency
Colors:
White
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Manufacturer
Columbia Lighting
× LED
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Product Categories
- Troffer/Flat Panel
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