Medical Valve--------Stainless steel Breather Valve,Sanitary Grade,within sping in it,manual operate 1"-4",or required Medical Valve--------Stainless steel Breather Valve,Sanitary Rebreather ValveSanitary Grade,within sping in it,manual operateSize:1'-4",or requiredUsed in wine,beer,bevarage,dairy fields

      If you are interested in,pls don't hesitate to let us know.

Medical Valve------Stainless steel Breather Valve,Sanitary Rebreather Valve