Nora Lighting NIOB-1RSL27XBB 1" Iolite LED BWF Round Adjustable Slot Aperture, 600lm, 2700K, Black Slot Aperture / Black Flange SKU_NIO-4RTSLA35XBZ/10 which helps to prevent outside

which helps to prevent outside air from coming through the fan

Operating Temp: -22F to 104F

Electrical: Driver is rated for 120V and 277V input (120/277V)

Lumens: 1360 MAX

Nora Lighting NIOB-1RSL27XBB 1" Iolite LED BWF Round Adjustable Slot Aperture, 600lm, 2700K, Black Slot Aperture / Black Flange SKU_NIO-4RTSLA35XBZ/10 which helps to prevent outsideDetails of the Nora Lighting NIOB 1RSL27XBB 1" Iolite LED BWF Round Adjustable Slot Aperture, 600lm, 2700K, Black Slot Aperture Black Flange 1" Iolite BWF downlights can be specified for use with Iolite new construction or remodel housings. Adjustable slot aperture focuses the beam spread through 1 1 8" x 1 3 8" opening. Compatible Housing: NHIOICD 16, NHIOICDCP 16, NHRIOIC 16 Lumens Wattage: 600lm 10W Color Temperature: 2700K Color Rendering Index: