I think it would filter out the resin.

And resin DOES contain THC.
CrAzYpOtHeAd Reviewed by CrAzYpOtHeAd on . HAS ANYONE...... ...TRIED PUTTING FILTERS IN JOINTS INSTEAD OF USING ROACH? IS IT ANY GOOD? CANT SAY IVE TRIED IT INCASE IT DONT GIVE THE SAME HIT! CANT BE WASTING JOINTS NOW!!! DOES IT GIVE THE SAME EFFECT? Rating: 5