| |
| VTP-1 | Spirotop Air Release Valve |
| VJR-1C | Spirovent Junior Series (Threaded) Air Eliminator พ 2 |
| VJS-1A | Spirovent Junior Series (Sweat) Air Eliminator พ 1ผ |
| VJV-1B | Spirovent Junior Series (Vertical) Air Eliminator พ 1ผ |
| TJN-1A | Spirotrap Junior Series Dirt Separator พ 1 ฝ |
| VSR-1A | Spirovent Air Eliminator 2 12 |
| VSR-2B | Spirovent Air Eliminator 14 36 |
| VHR-1A | Spirovent High Velocity Air Eliminator 2 12 |
| VHR-2B | Spirovent High Velocity Air Eliminator 14 36 |
| TDT-1A | Spirotrap Dirt Separator 2 12 |
| THT-1A | Spirotrap High Velocity Dirt Separator 2 12 |
| TDN-1A | Spirotrap Dirt Separator with Removable Head 2 12 |
| TDN-2B | Spirotrap Dirt Separator with Removable Head 14 36 |
| THN-1A | Spirotrap High Velocity Dirt Separator with Removable Head 2 12 |
| THN-2B | Spirotrap High Velocity Dirt Separator with Removable Head 14 36 |
| VDT-1A | Spirovent Air/Dirt Separator 2 12 |
| VDT-2B | Spirovent Air/Dirt Separator 14 36 |
| VHT-1B | Spirovent High Velocity Air/Dirt Separator 2 12 |
| VHT-2B | Spirovent High Velocity Air/Dirt Separator 14 36 |
| VDN-1A | Spirovent Air/Dirt Separator with Removable Head 2 12 |
| VDN-2B | Spirovent Air/Dirt Separator with Removable Head 14 36 |
| VHN-1B | Spirovent High Velocity Air/Dirt Separator with Removable Head 2 12 |
| VHN-2B | Spirovent High Velocity Air/Dirt Separator with Removable Head 14 36 |