... connectionsEconomical, low-pressure union 2002,000/138Manifold and line connectionsEconomical, general-purpose union 2062,000/138Manifold and line connections, suction, corrosion serviceReplaceable ... 3003,000/207Manifold and line connectionsEconomical, general-purpose union 4004,000/276Manifold and line connectionsEconomical, general-purpose union 6026000/414Manifold and line connections, and ...