TopJet Wall Air Inlets

TopJet Wall (TJW) Air Inlets offer quick, easy adjustment to open at different static pressures.
When static pressure is created by ventilation fans, TJW TopJet Counterweighted Wall Inlet blades automatically open and allow fresh air to mix with warm air, evenly distributing air throughout the room. Engineered to open at a 0.05 to 0.07 static pressure, each TJW Inlet blade has an adjustable counterweight for balancing multiple inlets at different static pressures. You are able to adjust each blade to a lower or a higher static pressure for optimal efficiency. When fans stop, the counterweight closes the translucent louver blades.
TJW Wall Inlets are a gravity wall inlet that is ideally located between preheated hallways and the animal room. For better air mixing, the TJW louver blades open from the top instead of the bottom, designed to direct airflow towards the ceiling area. Each counterbalance louver blade is translucent or clear, to allow more natural light into the room. Constructed of heavy-duty PVC corrosion-resistant material, TJW Wall Inlets are easy to install and maintain, and are pressure washer friendly.
US Patent No. 6,475,078
TJW Wall Inlets are available in four different sizes:
TJW4312 Second Stage TopJet Wall Air Inlet
• Framed Opening: 43.75" x 12.5"
• Approx. 2200 CFM @ .125 static pressure
TJW 2923 Second Stage TopJet Wall Air Inlet
• Framed Opening: 29.75" x 23.5"
• Approx. 3000 CFM @ .125 static pressure
TJW 4323 Second Stage TopJet Wall Air Inlet
• Framed Opening: 43.75" x 23.5"
• Approx. 4400 CFM @ .125 static pressure
TJW 4334 Second Stage TopJet Wall Air Inlet
• Framed Opening: 43.75" x 39.5"
• Approx. 6600 CFM @ .125 static pressure
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