FeaturesFor use with IC1/IC1W/IC1S/IC1P/TC1/TC1S/TC1R 50W PAR20, 50W R20, IC1P 40W K19, TC1RCW 50W PAR20, APT1 50W PAR20, 50W R20 housing and lampFor use with ICPL426 series 26 W, ICPL418 series 18 W, ICPL413 series 13 W, PL426 series 26 W, PL418 series, 18 W, PL413 series 13 W lampFor use with IC1LEDG4/IC1RLEDG4/IC1LWDG4N/IC1RLWDG4N series, IC91LEDG4/IC91RLEDG4/IC91LWDG4/IC91RLWDG4 series housing