Fulham Workhorse Instant Start Electronic Fluorescent Ballast For 2-4 128W Maximum Lamps Run At 277V (WH5-277-L) backorder47 the sensor detects motion and

the sensor detects motion and switches the lights ON

When a person passes into or out of a sensor zone

ballast bypass option

there is almost no cross-contamination between the exhaust and intake airflows

Philips 226720 FB31T8/TL835/ALTO 15/1 31W 22-5/8 Inch 3500K 1-5/8 Inch Spaced T8 U-Bend Medium Bi-Pin Base Bulb (927861283502)

Fulham Workhorse Instant Start Electronic Fluorescent Ballast For 2-4 128W Maximum Lamps Run At 277V (WH5-277-L) backorder47 the sensor detects motion andFulham Workhorse Instant Start Electronic Fluorescent Ballast For 2 4 128W Maximum Lamps Run At 277V (WH5 277 L) Instant Start Electronic Fluorescent WorkHorse 5 Ballast for 2 4 128W Maximum Lamps Operated at 277V