VIVO 6 Loop 1/2" Pex Manifold Stainless Steel Radiant Floor Heating Set/Six Branch Kit (PEX-M12-6) 6 Loop Manifold, commonly used for radiant floor heat systems 1/2" Compression Connectors. If using 5/8" tubing, please see info for PEX-M12-58A adapter below Automatic Air Vent/Eliminators Heavy Duty Mounting Bracket *Note: Not compatible with SharkBite brand pex fittings A stainless steel supply manifold with 6 pex outlets and 6 installed adjustable flow meters/indicators which adjusts the flow rate on each individual loop and monitor GPM A stainless steel return manifold with 6 pex outlets and 6 installed adjustable flow valves which adjusts the flow rate on each individual loop (12) 1/2&#034; Pex manifold adapters that convert 3/4&#034; to 1/2&#034; (2) Heavy-duty mounting brackets preinstalled that allows for easy mounting and installation