Type 43 stackable valve comes in white color. Sold in retail package. 35 Series products are designed & manufactured in polysulfone, a high performance thermal plastic material. These are approved & certified to NSF-61, NSF-14, CSA B137.5, ASTM F877 & IAPMO ASSE 1061-2006 & to the uniform plumbing code (UPC). Sold in retail package.
