New Cal aqua labs 13mm in line CO2 diffuser discs, 110$ on line new, 75$ includes shipping.
Orbit light(used 6 months, nice bulbs):
Same model as this one:
24 inch 2x65 Watt Current USA PowerCompact Orbit Fixture, 24in Units > Power Compact > Fixtures > Lighting > Saltwater Aquarium Supplies
Shipping not included but about 15-20$
110$
New Mazzei 584(ribbed ends)
25$ shipped
Regards,
Tom Barr

Orbit light(used 6 months, nice bulbs):

Same model as this one:
24 inch 2x65 Watt Current USA PowerCompact Orbit Fixture, 24in Units > Power Compact > Fixtures > Lighting > Saltwater Aquarium Supplies
Shipping not included but about 15-20$
110$
New Mazzei 584(ribbed ends)

25$ shipped
Regards,
Tom Barr