The number of stages refers to the circuitry to cope with
different levels of interference. The IFI22, pictured above,
is our standard two stage model and has two levels of filtration.

Technical Specifications (typical figures)
Two Stage Filter (Model IFI-22) Colour-Black
Insertion Loss dB
150 kHz. 62
3 MHz. 75
30 MHz. 50
1 GHz. 15

Operating Voltage 220-250V ac
Max Current rating 13A
Max Surge Protection L_N 6500A, L-E 6500A, N-E 6500A
Max Voltage Spike Protection 6,000 Volts
No Neon Indicator These can inject noise into your Hi-Fi and effect the sound quality
Mains Lead Our superior mains cable uses multi layer screening to help provide protection against radiated outside interference.

1.5mm sq 3 core mains cable oversheathed in VN207/2 clear PVC
Incorporating , Melinex tape , Aliminium Foil Screen and Tinned Copper
cross hatch braiding.