- Food grade stainless steel SS304 - brushed stainless steel finish - lead free glass window - Double rubber O Ring leak proof seal - 0.6" connector - 8.7" total height - 7.5" from top to bottom of the sight glass - red floating ball indicator - integrated die casting, no welding - comes with the right size wrench - plastic manual lever Compatible with 1.5, 2.25 Gallons of Berkey Big, Berkey Travel, Berkey RV, Doulton, Waterdrop, Purewell Gravity Water Filter New in the box. I only took it out to take these pictures. Free shipping. I accept offers, thanks!