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Microperforated mesh 
lamp shields

Swing down optical system for 
easy relamping and maintenance

(57mm)

2-1/4"

(100mm)

3-15/16"

(57mm)

2-1/4"

(100mm)

3-15/16"

25-9/16"(650mm) Width

24"(610mm) Length

CEILING

CONTOURED

SURFACE FRAME

SPRING

BRACKET

MOUNTING

Shallow plenum depth

Slim Surface

QVF2SPFOS4FT

Slim Surface and Slim Semi-Recessed have

the same photometric performance data.

11-15/16"
(3329mm)

23-15/16"

(608mm)

23-13/16"

(605mm)

47-13/16"
(1215mm)

ACCESS PLATE
(2) 7/8" K.O.'S

2-3/16"
(56mm)

24"(610mm)

BALLAST

Mounting Methods / Features

Dimensions

Job Information

Type:

Job Name:

Cat. No.:

Lamp(s):

Volts/Ballast:

Lightolier 

a Genlyte Thomas Company

www.lightolier.com

Technical Information: (978) 657-7600 • Fax (978) 658-0595
631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
We reserve the right to change details of design, materials and finish.
© 2002 Genlyte Thomas Group LLC (Lightolier Division)
A0902

Folio L80-15

Features

• Efficiency 51.0%.
• Shallow plenum depth.
• Swing down microperforated lamp shields for easy relamping and

maintenance.

• Alter soft white film on inside of mesh conceals lamp image and

provide balance between reflected light and direct light.

• 95% Reflective Alter soft white paint finish.
• One piece body for easy installation.
• Easy access to ballast through lamp compartment.
• Fits standard T-Grid ceilings.
• Optional acrylic drop-down visual element
• Slim Semi-Recess and Slim Surface luminaires have the same

photometric performance data.

ALTER SOFT LIGHTS

QVH2GPFOS4FT  

4X40W

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2’ X 4’ SLIM SEMI-RECESSED DIRECT/INDIRECT FLUORESCENT, 4 LAMP, TT5 BI-TUBE

2 1/4” RECESSED DEPTH CEILING MICROPERFORATED MESH LAMP SHIELD, STATIC

Ceiling compatibility

Suited to standard exposed
T-grid ceilings

Suited to standard exposed
Slot T-grid ceilings

Reviews: