Protect your equipment from damaging surges and line noise with these rugged all metal suppressors from Tripp Lite. These 6 and 8 outlet suppressors feature internal noise filter banks that isolate noisy equipment ensuring clean power. A combination of metal oxide varistors (MOVs) and ferrite rod-core inductors provide one of the highest UL verified energy suppression ratings. Dual RJ11 jacks provide phone line surge suppression for modems, fax machines and cordless phones. Order online today!