As you can see from my attached picture the unit comes with (3) 1/2" to 3/4" threaded adapters and (4) 3/4" male connectors, it is still well made unit that is easy to install.
Zulkit Junction Box ABS Plastic Waterproof IP65 Electrical Boxes Hinged Shell Outdoor Universal Project Enclosure With Mounting Plate And Wall Brackets Grey 11.8X7.9X6.3 Inch(300X200X160Mm)
10 Review
Junction Box, Zulkit Project Box IP65 Waterproof Dustproof ABS Plastic Electrical Boxes Electronic Enclosure Black 4.5 X 3.5 X 2.2 Inch(115 X 90 X 55 Mm)(Pack Of 1)
12 Review
Inkbirdplus Dustproof Waterproof Electrical Enclosure
9 Review
Waterproof ABS Electrical Junction Box Enclosure With IP65 Rating - Black 7.87 X 4.72 X 2.95 Inch (200 X 120 X 75Mm) By Zulkit
12 Review
Fulham WorkHorse WH2-120-C Adaptable Ballast - 2 Pack
3 Review
Wireless Electronic Ballast Interface Certified
8 Review
π‘ High-Quality Advance ICN-4P32-SC Electronic Fluorescent Ballast: Ideal for 4 Lamps, 32W T8, 120/277V
3 Review
π‘ Hydrofarm Quantum QT400 Dimmable Ballast for 400W Grow Lights
5 Review