| No. | Picture | Model | Description | Brand | Action |
|---|
| 1. |  | 1211-16 | Slack-tube manometer, range:8-0-8" w.c. | Dwyer |  |
| 2. |  | 1221-12-W/M | Flex-tube u-tube manometer, range:12 (6-0-6)" w.c. | Dwyer | |
| 3. |  | 1222-M400-W/M | Flex-tube u-tube manometer, range:400 (200-0-200) mm w.c. | Dwyer | |
| 4. |  | 1223-16-W/M | Flex-tube u-tube manometer w/o mercury, range:16 (8-0-8)" w.c. | Dwyer | |
| 5. | | 1223-M1000-W | Flex-tube u-tube manometer, range:1000 (500-0-500) mm w.c. | Dwyer | |
| 6. |  | 25 | Mark II molded plastic manometer, range:0-3" w.c, use red gauge oil 0.826 s.g. | Dwyer | |
| 7. |  | 26 | Mark II molded plastic manometer, range:0-7" w.c, use blue gauge oil 1.910 s.g. | Dwyer | |
| 8. |  | 40-250PA | Mark II molded plastic manometer, range:10-0-250Pa, use red gauge oil 0.826 s.g. | Dwyer | |
| 9. |  | 475-1 | Handheld digital manometer, range:0-20.00" w.c (0-4.982kPa) | Dwyer | |
| 10. |  | 477-1T-FM-AV | Handheld digital manometer, FM approved with air velocity kit | Dwyer | |
| 11. |  | A-101 | Red gauge oil, 0.826 s.g, ¾ oz | Dwyer | |
| 12. | | A-110 | Blue gauge oil, 1.910 s.g, ¾ oz | Dwyer | |
| 13. |  | A-126 | Fluorescein green color concentrate, ¾ oz | Dwyer | |
| 14. |  | A-225 | Flexible double column plastic tubing, light gray with red color code stripe, 1/8" I.D | Dwyer | |
| 15. |  | M-700PA | Mark II molded plastic manometer, range:10-0-700Pa, use red gauge oil 0.826 s.g. | Dwyer | |
| 16. | | MM-80 | Mark II molded plastic manometer, range:0-80 mm w.c, use red gauge oil 0.826 s.g. | Dwyer | |
