Purify your product with a system that won't leave residual media behind. The Subzero Scientific CRC is known throughout the butane / propane extraction community as a standard in color remediation. This system comes with 2 micron filtration and compression (Swagelok) fittings, in addition to sight glasses on both sides of filtration to view the input and output of the CRC equipment. This system is engineer peer reviewed and legal lab ready.
These CRC units comes in 4" and 6" standard sizes and come standard with 3/8" sanitary compression fittings!