They all have pressurized CO2 except #6(DIY yeast). They all have HOB filters except the 75(XP3).
10g 1,4,5,6, and the paludarium use 2x20w screw in CF's
10g 2 has 2x15w flourescents
10g 3 has 1x65w PC
5g has 1x20w screw in CF
20g has 2x65w PC, but I only use one
75g has 4x65w PC