Blaze 90 Degree Recycler Pre-Cooler Slit Diffuser PercBlaze 90 Degree Recycler Pre Cooler Slit Diffuser Perc This small and easy to use 90 degree precooler from Blaze Glass is made from top quality borosilicate glass for heat resistance and durability. The ashcatcher or precooler is designed efficiently with a slit showerhead diffuser that allows only the most pure and filtered hit. Through this diffuser the smoke is cooled and removed of carcinogens which results in an unforgettably clean effect. This