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Keystone 4 Foot LED Stairwell Fixture Selectable 45W/35W/30W 3500K/4000K/5000K 0-10V Dimming Built-In Ultrasonic Sensor (KT-SWLED45PS-4A-8CSA-VDIM-P) backorder1428 Westgate Manufacturing Pole Tenon AdapterKeystone 4 Foot LED Stairwell Fixture Power CCT Selectable 45W 35W 30W 3500K 4000K 5000K 0 10V Dimming Built In Ultrasonic Sensor (KT SWLED45PS 4A 8CSA VDIM P)