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Find an old CRT computer monitor or PC power supply. They usually have line chokes. two windings on one core. They don't look like peanuts but do the same function, namely blocking high frequency crud getting in or out of the set. Salvage one and use it, just be sure you don't short across the line with it. The inductance value is not critical. If you're getting full line voltage thru your existing coil, I wouldn't worry about it.
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