SilkSpace Definition
The Ledalite Definition line of architectural troffers delivers an aesthetically pleasing, high performance recessed grid or drywall solution in 15 standard sizes, with hundreds of custom sizes available upon request to fit any ceiling size. Optional air return features on the sides or ends of the luminaire along with standard LED board and driver access from the below ceiling allows Definition to solve any project need.
Cross-References
Top equivalents — 12 across 12 brands
Compare top 3 →- spec →
The Class D3X architectural recessed troffer offers subtle, clean geometry in a fully luminous door-frame design. This contemporary, high quality luminaire provides superior visual comfort and is dedicated to the latest solid-state lighting and driver technology for optimal performance and energy efficiency. Available in 2x2, 2x4, and 1x4 sizes, the D3X is an excellent choice for commercial office spaces, schools, hospitals or retail merchandising areas.
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ORL, operating room light, provides supplemental, asymmetric / symmetric lighting in the surgical suite / operating room. Typically positioned around the perimeter, the ORL is available in 2x2, 2x4, and 1x4 sizes, IP66 compliant, wet location listed, NSF rated, MILSTD 461G compliant - and is the perfect choice for the sophisticated surgical suite. Choose green LEDs for variety of benefits also.
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LD2B combines energy efficiency with superior cutoff, optical performance and control
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The Chisel recessed luminaire adds dimensionality across grid ceilings. Chisel 1x2 features an extruded aluminum housing, various directional gradients and textured patterns, including pyramid,
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The Ledalite Definition line of architectural troffers delivers an aesthetically pleasing, high performance recessed grid or drywall solution in 15 standard sizes, with hundreds of custom sizes available upon request to fit any ceiling size. Optional air return features on the sides or ends of the luminaire along with standard LED board and driver access from the below ceiling allows Definition to solve any project need.
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Center Lens Troffer
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Cleanrooms, controlled environment and containment spaces are used in a number of applications for industries such as medical, food processing, electronics, pharmaceuticals, biology and aerospace. Standards for cleanliness in these rooms have been published previously in FS209E and ISO 14644-1. These standards apply to air-flow, surfaces and other processes integral to maintaining very low particulates. Light fixtures in cleanrooms must be sealed to prevent the accumulation of particulates inside the housing that may then lead to the contamination of the facilities sealed air-flow. Cleanrooms frequently require different levels of light based on the types of activities taking place. The KURTZON™ EL-FG-2x2LP-LEDFE is a recessed high lumen fixture with replaceable LED arrays using commercially available COB arrays warranted for 5 years. Available in 4000K and 5000K CCT, with 70 or 80 CRI, highly consistent color maintained to 4 SDMC. The housing is a one piece, robotically seam welded unit with hole free 20-gauge CRS construction with integral heat sink. The inset door frame is made from welded channels that regress into the housing to allow the neoprene gasket to seal to the housing, and the door frame is hinged by aircraft cables and secures to housing with captive stainless-steel pan head screws. The fixture is IP55 rated for dust and water ingress, ETL listed per UL_1598 for wet locations and Chicago Plenum Rated.
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LED - Cleanroom 4” Downlight Luminaire Certolux CRD4 Cleanroom Downlight offers sealed, IP-rated LED lighting ideal for sterile environments and controlled spaces. CRD-4 When precision lighting matters most, the Certolux CRD-4 (4-inch) Cleanroom Downlight delivers unmatched performance with dimming capabilities down to 1%. Engineered for environments where contamination control is critical, this luminaire is ideal for cleanrooms rated ISO 3–9 and BSL 1–3. Its sealed optical assembly and flush lens design ensure a smooth, cleanable surface that supports sterile conditions, making it a top choice for labs, pharmaceutical facilities, and controlled environments. Designed specifically for cleanroom lighting applications, the CRD-4 integrates a factory-sealed COB LED engine that’s field-replaceable and serviceable from below. It offers a wide range of color temperatures (2700K–5000K) and CRI options up to 97+, including high R9 values for enhanced color rendering, critical for tasks requiring visual accuracy. The luminaire supports full-range dimming to 1% via a 0–10V protocol, with optional DALI drivers available. Its high efficacy (up to 97 lm/W) and long lifespan (L70 > 60,000 hrs) ensure reliable, energy-efficient performance. What sets the CRD-4 apart is its antimicrobial finished trims, available in gloss or matte white polyester powder coating. These finishes help inhibit microbial growth, supporting hygiene protocols in sensitive environments. The trim is secured with EPDM closed-cell gaskets that seal the lens and reflector, preventing air leakage and contamination. Installation is flexible, with compatibility for grid, drywall, and cleanroom panel ceilings up to 2.5” thick. The adjustable plaster ring allows for vertical alignment post-installation, simplifying set
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Cross-references are informational starting points — verify with the manufacturer before specifying or purchasing. Spot a bad match? Report it →
Local Reps
Who reps Genlyte Solutions
Full directory →26 rep agencies carry the Genlyte Solutions line across 51 states. Pick your state.
Alabama AL1 agency
- SESCO LightingSignify (Philips)
Birmingham · Mobile
Alaska AK1 agency
- Alaska Pro-SellSignify (Philips)
Statewide
Arizona AZ1 agency
- Allied Group SalesSignify (Philips)
Statewide
Arkansas AR1 agency
- SESCO LightingSignify (Philips)
Statewide
California CA2 agencies
- ALRSignify (Philips)
Fresno · Sacramento · San Francisco
- LINX Lighting + ControlsSignify (Philips)
Los Angeles · San Diego · Ventura
Colorado CO1 agency
- CT Lighting & ControlsSignify (Philips)
Statewide
Connecticut CT1 agency
- Apex Lighting SolutionsSignify (Philips)
Statewide
Delaware DE1 agency
- ELA + SynergySignify (Philips)
Statewide
District of Columbia DC1 agency
- Lighting EnvironmentsSignify (Philips)
Statewide
Florida FL1 agency
- SESCO LightingSignify (Philips)
Fort Myers · Jacksonville · Miami · Orlando · Panhandle · Tampa
+41 more states in the full directory →
Line cards are directional — confirm coverage with the agency before routing a spec.