Philips instantfit LED 4-pin lamp. Replaces compact fluorescent lamps (4-pin). Compatible with a wide range of ballasts. Fits into existing G24q/GX24 fluorescent sockets. Eliminates the need for rewiring by using the existing CFL 4-pin lamps ballast. Lasts greater than two times longer than comparable fluorescent tubes reducing maintenance. Best-in-class flux, intensity and beam quality. Long life 40,000 hour rated life. Minimal colour shift and stable flux output throughout lifetime. No harmful UV radiation Energy savings of up to 60%. No mercury allowing for non-hazardous waste disposal.