This repair kit is a Complete Top End Rebuild Kit for Thomas 2505 - 115V Compressors 
Kit Contents:
- 2 - Piston Cups
 
- 2 - Head Gaskets
 
- 2 - Cylinder Sleeve O-Rings
 
- 2 - Flapper Valve Restraints
 
- 4 - Flapper Valves
 
- 2 - Cylinder Sleeves
 
Complete Compressor Part No. 2505CE40-111
Compatible Concentrators - 115V
- Invacare PerfectO2V
 
- DeVilbiss 525
 
If you are looking for a GSE ZW280 - 115V repair kit click here: GSE ZW280 - 115V Compressor Kit