Never tired it, but I'm really pretty darn sure that if you stretch 2 or 4 pairs of ladies stockings over some part of the intake, the filtering will be sufficient for a while. If anything gets in, it will prob. be too small to hurt anything...
'95 YJ 123bhp 4-banger powerhouse.
UPDATE: 2.5L ENGINE RETIRED; she was still running strong at 212,000mi.
4.0 swap in progress.