Positive Pressure:

             EnviroDuct™ 1399-SD/1899-HD

             FloVent™ 1399-SD/1899-HD

 Negative Pressure:

             ThermoHose™ TH-1           

             ThermoHose™ TH-2

             ThermoHose™ THE-SD
 

 Positive Pressure Air Diffuser:

             Poly Diffuser Tubing

             FloVent™ 1099-LD/1399-SD