| K100455 | SPAPLUS ANALYZER | THE BINDING SITE |
| K012359 | TINA-QUANT COMPLEMENT C4 TEST SYSTEM | ROCHE DIAGNOSTICS CORP. |
| K010325 | WAKO AUTOKIT C4 | WAKO CHEMICALS, USA, INC. |
| K000468 | RANDOX COMPLEMENT C4 | RANDOX LABORATORIES, LTD. |
| K994293 | DIMENSION C4 FLEX REAGENT CARTRIDGE | DADE BEHRING, INC. |
| K993481 | K-ASSAY C4 | KAMIYA BIOMEDICAL CO. |
| K983356 | C4 | ABBOTT LABORATORIES |
| K981785 | C4 MININEPH ANTISERUM | THE BINDING SITE, LTD. |
| K964297 | N-ASSAY TIA C4 TEST KIT | CRESTAT DIAGNOSTICS, INC. |
| K964300 | N-ASSAY TIA MULTI V-NL | CRESTAT DIAGNOSTICS, INC. |
| K962582 | OLYMPUS C4 IMMUNOTURBIDIMETRIC REAGENT | OLYMPUS AMERICA, INC. |
| K962198 | QUANTEX C4 | INSTRUMENTATION LABORATORY CO. |
| K911899 | RAICHEM SPIA C4 REAGENT | REAGENTS APPLICATIONS, INC. |
| K892129 | EZ COMPLEMENT C4 | DIAMEDIX CORP. |
| K890564 | SPQ(TM) ANTIBODY REAGENT SET II FOR C4 | ATLANTIC ANTIBODIES |
| 00380740019747 | COMPLEMENT C4, ANTIGEN, ANTISERUM, CONTROL |
| 00630414595658 | COMPLEMENT C4, ANTIGEN, ANTISERUM, CONTROL |
| 00630414517742 | COMPLEMENT C4, ANTIGEN, ANTISERUM, CONTROL |
| 00817302020939 | COMPLEMENT C4, ANTIGEN, ANTISERUM, CONTROL |
| 00816426020085 | Complement C4, Antigen, Antiserum, Control |
| 00842768009709 | COMPLEMENT C4, ANTIGEN, ANTISERUM, CONTROL |
| 00842768009693 | COMPLEMENT C4, ANTIGEN, ANTISERUM, CONTROL |
| 00842768006067 | COMPLEMENT C4, ANTIGEN, ANTISERUM, CONTROL |
| 00842768005237 | COMPLEMENT C4, ANTIGEN, ANTISERUM, CONTROL |
| 05700572002420 | COMPLEMENT C4, ANTIGEN, ANTISERUM, CONTROL |
| 05055273201628 | Complement C4, Antigen, Antiserum, Control |
| 05051700017602 | Complement C4, Antigen, Antiserum, Control |
| 05051700015585 | Complement C4, Antigen, Antiserum, Control |
| B1761092 | Complement C4, Antigen, Antiserum, Control |
| B1761090 | Complement C4, Antigen, Antiserum, Control |