PGA3500 Spare Parts
| Factory Calibration | PN 13113 |
| Cylinder of Zero Calibration Gas | PN 30054 |
| Cylinder of Span Calibration Gas | PN 13084 |
| Bowl Filter Assembly (Including Element) | PN 37048 |
| Bowl Filter Element Media Replacement (10/Pack) | PN 31027 |
| Flexible Sample Tubing Assembly with Filter | PN 20315 |
| Replacement In-Line Filter | PN 31033 |
| Flow Meter | PN 36033 |
| CO2 Scrubber | PN 13112 |
| Sampling Wand Assembly | PN 20263 |
| PGA3500 Battery | PN 32012 |
| Replacement Box and Custom-Fit Foam | PN 23075 |