Y-Piece Size:12" CFLs are the smart entry

CFLs are the smart entry point if you're testing the water or working tight on budget

and none of the hassle of ballast wiring

and other gravity-fed or pumped setups

and a price that leaves room in the budget for better soil or nutrients

and they cost a fraction of what you'd spend on LED alternatives

Y-Piece Size:12" CFLs are the smart entryVortex Y Piece Split One Fan Across Two Ducting Runs Best for: growers running one extractor fan who need to feed two grow spaces, or who want to combine two ducting runs into one carbon filter. Our thoughts About as unglamorous as grow kit gets, but it does the one job it's built for. If you've got a single decent fan and two tents, or want to route air from two spaces into one filter, this is the cheap way to do it rather than buying a second fan