The ALIEN V-SYSTEM 6 Pot 1 Row Kit is available in two different versions, with the header either at the end of the row or in the middle. For end header kits, there are 3 layout options for header and pump placement relative to the row of pots, and 2 layout options for middle header kits. The header and pump can be placed outside a grow tent / room, or made as compact as possible. Easy to configure and assemble with advanced features and setup options, grow 6 plants to perfection in the ultimate recirculating deep water culture with this ALIEN V-SYSTEM Kit!