1x4 35W Selectable RAB SWISH AIR Air-Return Troffer Ultra Bright 162lm/W for energy-efficient lighting

162lm/W for energy-efficient lighting

Contractors value on-site adjustability that prevents returns

Mercury-free design is safer for people and the environment compared to CFLs

or 44W on-site to match the room's output requirements without ordering multiple SKUs

1x4 35W Selectable RAB SWISH AIR Air-Return Troffer Ultra Bright 162lm/W for energy-efficient lightingA Troffer That Breathes For Easier Ceiling Installations and a Cleaner Ceiling Look The RAB SWISH AIR is built around a single idea: take two common elements of drop ceilings and combine them into one. Built in vents integrate with the ceiling plenum, eliminating the separate return air grille that would otherwise sit near the fixture. The result is a simpler, faster installation for contractors and project managers, and a cleaner, more finished