Hi Im a little bit lack of knowledge about
all this......53 days with colostomy......so forgive my virginancy....lol.....What are you referring to when you talk about
filter.....I us the hollister 2 peice and us the drops for smell......this seems to be working wonderful for me at this time.....however the smells from my urigation keep getting stronger.....im thinking its because im getting my appitite back.....any again im greatful........maggie