Check the listing for details. 5 PCS EFIELD 6 Ports Open Pex-A Expansion Poly Manifold 3/4 Trunk, 1/2" Ports. Condition: New. Listed at 33.99 USD. Directly from One of the Biggest Pex Systems Manufacturers 5 PCS Open Pex-A Expansion Poly PPSU Manifold 3/4 Trunk, 6 1/2" Ports, Lead Free This Efield Product is Compatible with all Types of Brands of Pex A Pipe/Tubing Expanding Connection Compatible with Expanding Fitting System, NOT Compatible with Stainless Steel Clamp & Copper Crimp Ring Systems; Made of Poly(PPSU), Better Performance than Brass Manifold in RO, Chlorinated Water Application Need to Order Expander tool + Pex Sleeves / Ring Separately.Directly from One of the Biggest Pex Systems Manufacturers 5 PCS Open Pex-A Expansion Poly PPSU Manifold 3/4 Trunk, 6 1/2" Ports, Lead Free This Efield Product is Compatible with all Types of Brands of Pex A Pipe/Tubing Expanding Connection Compatible with Expanding Fitting System, NOT Compatible with Stainless Steel Clamp & Copper Crimp Ring Systems; Made of Poly(PPSU), Better Performance than Brass Manifold in RO, Chlorinated Water Application Need to Order Expander tool + Pex Sleeves / Ring Separately.