Elecsound is a manufacturer of ZINC OXIDE VARISTOR. we offer 5mm, 7mm, 10mm, 14mm and 20mm dipped varistors.
EV1 5mm
EV2 7mm 
EV3 10mm
EV4 14mm
EV5 20mm
EV6 25mm 
EV7 32mm
EV8 40mm
EV9 53mm
EV10 34mm