Pricing Equipment for 180g

[Aquaman11]

I am downsizing my tank and have multiple pieces of equipment that is in good condition. I need help pricing these items for sale.

4 - Radion XR30wPro G4 all with diffusers, power supply brackets, RMS XR30 slides. I also have 1 60.5" Multi-Light Track
1 - Synergy Reef Sump, 44x18. Very good condition.
1 - Reef Octopus Elite 200-INT Skimmer
1 - Jebao/Jecod DMP-55 Flow Pump. Only used for 2 months.
1 - Hydros Wave Engine w/2 Maxspect Gyre XF350ce Flow Pumps
3 - Blueline Return Pumps, 1 55HD, 1 70HD, 1 100HD

Any help with pricing is certainly appreciated.