Tube size: from 4mm to 16mm                                                  Thread size: from 1/4" to 1/2"                                                            Sleeve shape: Round or Oval are both available                Color: Black and Grey are both available                                       Brass with nickel plated
1) Models: PSE, PSF, PSE-G, PSF-G,PSC,PSC-G
2) Accurate regulation of optimal airflow rate for precise motion control
3) Compact and space-saving configuration provides a functionally wide Range of airflow rates
4) Available in control method types for metering of unidirectional airflow Either entering indoor or exhausting out of driving device