The pores allow a fine stream of bubbles while the 1/2" NPT threads allow you to install this inline or into a vessel. By heating the stone to boiling temperatures you kill all possible contaminants that may be hidden within the stones micro pores.
Craft Beer Brew Wort Transfer Pump MP-15RM Magnetic Drive Pump 1/2’’NPT Stainles
19/32-18''UNF Ball Lock Post Gas/Liquid Corny Keg Adapter 1/4'' Male NPT Thread
Stainless Steel Beer Keg Type with 1/2" NPT Thread for Hoppy Beers.
Grainfather Whirlpool and Aeration Brewing Paddle
0.5 Micron Carbonation Aeration Diffusion Oxygen Stone. Home Brew Corny Beer Keg
Carbonation Aeration Diffusion Oxygen Stone 2.0 Micron. Homebrew, Corny Beer Keg
