As an Amazon Associate, we earn from qualifying purchases. Sigma - 18.15.056.36 - Dual Check Valve For Back Flow Prevention Antique Gold .36 Sigma . 18.15.056.36 Gallery Attributes Brand name, Manufacturer name, ManufacturerSigma Attribute0111341555 AttributeKey00Finish: AttributeKey01Online Product ID: Extra Product NameSigma - 18.15.056.36 - Dual Check Valve For Back Flow Prevention Antique Gold .36 moq, multiple1 MPN, SKU18.15.056.36 qtyInStock0 Distributor offers SellerSKUMOQIn stockMultiplePrices Decorative Plumbing18.15.056.3611