Provided by Jon-Don

MR-SURFACE is a powerful product that contains live strains of bacteria/microbes that literally digest hydro-carbon-based oils, removing oil from a number of surfaces quickly and easily. The microbes in MR-SURFACE will not etch  concrete, and are effective on oil stains new or old.

Brass 1/4" 4-way female pipe thread cross.

3/8"F brass cross.