Bottle Filler Drain Tray Compatible Brand or Manufacturer Haws Product Type Bottle Filler Drain Tray For Use With Pedestal Fountains Includes 6 in (15.2 cm) Diameter PVC Pipe Check Valve Pneumatic Operated Valve Regulator Valve Color Green White Connection Type NPT Pipe Size 1/2 in Standards California Health and Safety Code 116875 (AB 1953-2006) CSA Certified Federal Safe Drinking Water Act NSF/ANSI Standard 61 Tube Outside Diameter 6 in