Hydro-logic QC Inline Shut Off Valve 3-8 in
Item No. 728940: 2 Way Splitter 3/8 in. This is a Y splitter for multiple reservoirs for the Evolution RO1000 and Tall Boy system. Item No. 728941: 3 Way Splitter 3/8 in. This is a y splitter for multiple reservoirs for the Evolution RO1000 and Tall Boy system. Item No. 728942: 3/8 in Quick Connect Inline Shut Off Valve. This is used to shut off feed or outlet line to system. This valve is for the Evolution RO1000 and Tall Boy system. Item No. 728943: 3/8 in Quick Connect Union Connector. This is to connect 2 lengths of equal sized tubing together for the Evolution RO1000 and Tall Boy system.