BZTW52C3V3 BZTW52C5V6 BZ-U 10-10-30/90 BZ-U 8-10-21/75 BZU10-10-30/90A4 BZU60/70-50 BZ-U8-10-21/75A4 BZV 49-C10 BZV 49-C12 BZV 49-C18