12" Stainless Steel Carbonation Stone with NPT Female Thread Connection,High Quality stone wash hand basin

12" Stainless Steel Carbonation Stone with NPT Female Thread Connection,High Quality stone wash hand basintainless - Oxygenation Stone - 1.5" Tri Clamp

Carbonation Stone , Tri Clamp 1.5 in. x 12 in. w/ 1/4 in. NPT - SS316
1-½'' tri-clamp connections to tank
¼'' female NPT gas connection
¼'' NPT fitting Female
¾''x 12'' 20mm Diffusing Stone
2 micron Porosity
SS316

 http://www.porousfilter.com/index.php/product/index/id/181.html