Cut Sheet
FluxGrid_LED_2x4 08/19 page 4 of 5
2FG FluxGrid recessed 2x4
up to 7400 lumens
FluxGrid_LED_2x4 www.day-brite.com 08/19 page 4 of 5
Air return option
Allows air to flow through vents in the lens
retainers on each end. Air blades are provided
on each end of the luminaire to control air flow
to the plenum.
Ribbed (D) Lens
Return air data
All luminaire sizes
Return air (CFM)
120
100
80
60
40
20
0
0.05 0.1 0.15 0.2 0.25 0.35 0.4 0.5
Air
1
Air+Controls
2
Plenum Pressure, Inches W.G.
1. Air-only option includes air return lens retainers and pattern control blades on both ends of luminaire.
2. Air+Controls includes the air return lens retainer and pattern control blade on one end of the luminaire.
Control lens retainer on the other with matching width.
Return air - noise criteria
All luminaire sizes
CFM
Mode 27 37 53 62 71 80 90 102
Air
1
NC (dB) <15 24 25 29 33 35 38 40
CFM
Mode 31 38 45 51 61 65 74
Air+Controls
2
NC (dB) <15 19 21 25 28 30 34





