Balston Replacement Filters
| 050-03-A | 050-11-CQ | 100-18-BQ | 200-16-CX |
| 050-03-AA | 050-11-CX | 100-18-BX | 200-16-D |
| 050-03-AAH21 | 050-11-D | 100-18-C | 200-16-DH21 |
| 050-03-AAQ | 050-11-DH21 | 100-25-AAH21 | 200-16-DQ |
| 050-03-AAX | 050-11-DQ | 100-25-AAQ | 200-16-DX |
| 050-03-AH21 | 050-11-DX | 100-25-AAX | 200-16-EH21 |
| 050-03-AQ | 050-11-E | 100-25-AH21 | 200-16-EQ |
| 050-03-AX | 050-11-EH21 | 100-25-AQ | 200-16-SA |
| 050-03-B | 050-11-EQ | 100-25-AX | 200-30-AAH21 |
| 050-03-BH21 | 050-11-EX | 100-25-B | 200-30-AAQ |
| 050-03-BQ | 050-11-SA | 100-25-BH21 | 200-30-AAX |
| 050-03-BX | 100-09-A | 100-25-BQ | 200-75-B |
| 050-03-C | 100-09-AA | 100-25-BX | 200-75-BH21 |
| 050-03-CH21 | 100-09-AAH21 | 100-25-C | 200-75-BQ |
| 050-03-CQ | 100-09-AAQ | 100-25-CH21 | 200-75-BX |
| 050-03-CX | 100-09-AAX | 100-25-CQ | 200-75-C |
| 050-03-D | 100-09-SA | 100-25-CX | 200-75-CH21 |
| 050-03-DH21 | 100-12-A | 100-25-D | 200-75-CQ |
| 050-03-DQ | 100-12-AA | 100-25-DH21 | 200-75-CX |
| 050-03-DX | 100-12-AAH21 | 100-25-DQ | 200-75-D |
| 050-03-E | 100-12-AAQ | 100-25-DX | 200-75-DH21 |
| 050-03-EH21 | 100-12-AAX | 100-25-E | 200-75-DQ |
| 050-03-EQ | 100-12-AH21 | 100-25-EH21 | 200-75-DX |
| 050-03-EX | 100-12-AQ | 100-25-EQ | 200-75-E |
| 050-03-SA | 100-12-AX | 100-25-EX | 200-75-EH21 |
| 050-05-A | 100-12-B | 100-25-SA | 200-75-EQ |
| 050-05-AA | 100-12-BH21 | 150-19-A | 200-75-EX |
| 050-05-AAH21 | 100-12-BQ | 150-19-AA | 200-75-R |
| 050-05-AAQ | 100-12-BX | 150-19-AAH21 | 200-75-SA |
| 050-05-BX | 100-12-BX | 150-19-AAQ | 200-75-SR |
| 050-05-C | 100-12-C | 150-19-AAX | 200-80-371H |
| 050-05-CH21 | 100-12-CH21 | 150-19-AH21 | 200-80-A |
| 050-05-CQ | 100-12-CQ | 150-19-E | 200-80-AA |
| 050-05-CX | 100-12-CX | 150-19-EH21 | 200-80-AAH21 |
| 050-05-D | 100-12-D | 150-19-EQ | 200-80-AAQ |
| 050-05-DH21 | 100-12-DH21 | 150-19-EX | 200-80-AAX |
| 050-05-DQ | 100-12-DQ | 150-19-SA | 200-80-AH21 |
| 050-05-DX | 100-12-DX | 200-16-371H | 200-80-AQ |
| 050-05-E | 100-12-DX | 200-16-A | 200-80-AX |
| 050-05-EH21 | 100-12-E | 200-16-AA | 200-80-B |
| 050-05-EQ | 100-12-EH21 | 200-16-AAH21 | 200-80-BH21 |
| 050-05-EX | 100-12-EQ | 200-16-AAQ | 200-80-BQ |
| 050-05-SA | 100-12-EX | 200-16-AAX | 200-80-BX |
| 050-11-A | 100-12-SA | 200-16-AH21 | 200-80-C |
| 050-11-AA | 100-18-*Q | 200-16-AQ | 200-80-CH21 |
| 050-11-AAH21 | 100-18-A | 200-16-AX | 200-80-CQ |
| 050-11-AAQ | 100-18-AA | 200-16-B | 200-80-CX |
| 050-11-AAX | 100-18-AAH21 | 200-16-BH21 | 200-80-D |
| 050-11-AH21 | 100-18-AAQ | 200-16-BQ | 200-80-DH21 |
| 050-11-AQ | 100-18-AAX | 200-16-BX | 200-80-DQ |
| 050-11-AX | 100-18-AH21 | 200-16-C | 200-80-DX |
| 050-11-B | 100-18-AQ | 200-16-CH21 | 200-80-E |
| 050-11-BH21 | 100-18-AX | 200-16-CQ | 200-80-EH21 |
| 050-11-BQ | 100-18-B | 200-80-EQ | |
| 050-11-BX | 100-18-BH21 | 200-80-EX | |
| 050-11-C | 200-80-SA |