Open trim for use with Model No. PS1, PS1RM, PS3, PS113, PS126, PS9, DY6430, DY6431, DY6433, DY6434, DY6440, and TR1 recessed fixtures. Use with up to (1) 75W (watt) R 30 or Par 30 bulb. Can also be used with Par 30 LED (light emitting diode) or R 30 CFL (compact fluorescent) bulb. Bulb wattage determined by application.