Image may not reflect selected features Parker PGI Manifold, 2-Valve Block, SS .375 Orifice SKU: M3-683SLT-BPB Please Login to See Price Quantity discounts available QuantityPrice Quantity -+ Description 2-Valve Block Manifold. 316 Stainless Steel with Carbon Steel bolts and .375 Orifice with bi-directional flow. Details Features Teflon pressure-core stem seal technology and Rylon soft cone seat. Low torque, anti-tamper bonnets with lock plates. Various accessories fo... DescriptionDetails Back 2-Valve Block Manifold. 316 Stainless Steel with Carbon Steel bolts and .375 Orifice with bi-directional flow. Back Features Teflon pressure-core stem seal technology and Rylon soft cone seat. Low torque, anti-tamper bonnets with lock plates. Various accessories for mounting.