Bantam Clean Power Vanguard PP18004 A is a Complete Power Conditioner. -Absorbs energy spikes, flickers, jolts, and surges traveling down the business or home power wiring before they damage your investment. -Does not dump harmful energy to ground unlike consumer surge protectors; Vanguard ensures a stable ground reference critical to digital code. -Filters EMI and RFI interference such as noise, flickers, hum, crackle and harmful frequencies that travel along business and home power wiring. -Provides Bi-directional Harmonic Attenuation, dampening harmful harmonic power waves that typical electronic equipment will generate and share through power wiring. Improves Power Factor in digital equipment, improving power efficiency, and reducing energy consumption and expense -Over 100,000 Joules of surge protection that will not wear-out, turn-off or quit protecting your investment. -Vanguard has a lifetime, unconditional replacement warranty. -It is a single phase power conditioner and Surge Protective Device (SPD) -Features harmonics filtration and power factor correction. -This SPD prevents “surge coupling” across all wires with its patented circuit -It is intended for installation closest to the point of use.