Filters & Adaptors: Denicool Filter Crystals

Product Number: 001-545-0292

Intended for use in pipes that will not accept a 6mm or 9mm filter, Denicool filter crystals are designed to fit in the bottom of a pipe's bowl and emptied out following a smoke.

Customer Reviews (2 Total)
Overall Rating:
2.25 out of 5 stars
Better than expected
April 27, 2019
Product: Filters & Adaptors Denicool Filter Crystals
There are plenty of naysayers of this product in many forums. But, those are usually pipe-snobs, those who say "i'd never put something 'unnatural' in my pipe!'" My research found that these crystals are "Processed Silica"... in o... Read More
Stinky Smell !
April 19, 2020
Product: Filters & Adaptors Denicool Filter Crystals
To test I Tried them on a pipe that is a good smoker..about 1/3 way down the pipe gave off a nasty burnt smell HORRIBLE !! I had to dump them out and reload with out the pipe was good again To say those crystals don't affect taste are lying