Horti-Control Flip Flop Box, 2 in 4 out hf-DS81
... an additional Reflector and Bulb for each ballast in
your system.? Expand your growing area without increasing power requirements. Double your yields! Use 2
or 4 bulbs on one ballast! (not simultaneously ... . Available in 2
,4,6,8,10,20 ballast configurations. Heavy duty aluminum chassis won't rust. Made in
the USA! ETL Listed?Five year hassle free warranty! Horti-control flip
flop box, 2 in
4 ... Details...