SINGLE COILED FILAMENTS UNDER 100 VOLTS / DOUBLE COILED FILAMENTS UNDER 100 VOLTS SINGLE COILED FILAMENTS 100 VOLTS TO 200 VOLTS / DOUBLE COILED FILAMENTS 100 VOLTS TO 200 VOLTS SINGLE COILED FILAMENTS ABOVE 200 VOLTS / DOUBLE COILED FILAMENTS ABOVE 200 VOLTS SHOCK PROOF RENIUM FILAMENTS
SINGLE COILED FILAMENTS UNDER 100 VOLTS / DOUBLE COILED FILAMENTS UNDER 101 VOLTS |