Post or Kiln Brick "Soap" 2 1/4" x 2 1/2" x 9" long Good to 3000F, normally used as kiln posts in soda, gas or wood kilns
Brand
Laguna Clay
WARNING: This product can expose you to chemicals including Silica, crystalline (airborne particles of respirable size), which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.