The P1010S-T CHECK VALVE 1" may have been used on air compressors privately labeled under any of the following brands including Iron Horse Air Compressors, Eagle Air Compressors, and MAXair Industrial Air Compressors. Fits The Following: 101120H2-IH 101120H2-MS208 101120H2-MS208-XF 103120H2 103120H2-CS460 103120H2-CS460-XF 103120H2-IH 103120H2-MS-208 103120H2-MS208-XF 103120H2-MS230 103120H2-MS230-XF 105120H2-CS 105120H2-CS575 105120H2-CS-575-XF 153120H2 153120H2-CS460 153120H2-MS208 153120H2-MS208-XF 153120H2-MS230 155120H2-CS 155120H2-CS575 C101120H1-MS208-MAP C103120H1-CS460-MAP C103120H1-MS208-MAP C103120H1-MS230-MAP C105120H1-CS575-MAP C153120H1-CS460-MAP C153120H1-MS208-MAP C153120H1-MS230-MAP C155120H1-CS575-MAP C203120H1-CS460-MAP C203120H1-MS208-MAP C203120H1-MS230-MAP C205120H1-CS575-MAP C153120H1-MS230-MAP C155120H1-CS575-MAP C203120H1-CS460-MAP C203120H1-MS208-MAP C205120H1-CS575-MAP C7180V1-MS C7180V1-MS-MAP C7180V1-MS-XF C7380V1-CS2 C7380V1-CS2-MAP C7380V1-CS2-XF C7380V1-CS4 C7380V1-CS4-MAP C7380V1-CS4-XF C7580V1-CS C7580V1-CS-MAP C7580V1-CS-XF