Sealed in original factory packaging, the Cole-Parmer polypropylene pipe adapters, model nos. 31303-35 and 31303-00, with 3/8-inch NPT(M) shutoff, come in a set of two pieces.Condition: Sealed, new, previously-owned. Sold as is without warranty, expressed or implied. Buyer is responsible for determining the suitability of this product for their application.Quantity Available: Six (6) pairs.