DL INSULATED TWO-WAY INLETS
DL3127 and DL4727 Insulated Actuated Air Inlets are great for minimum to maximum ventilation when you need precise control of air movement.
![](https://www.doublel.com/wp-content/uploads/2022/12/DL3127-Air-Inlet-Double-Pull.jpg)
![](https://www.doublel.com/wp-content/uploads/2022/12/DL-Insulated-Inlet-Cutaway.jpg)
![](https://www.doublel.com/wp-content/uploads/2022/12/DL3127-Insulated-Actuated-Air-Inlet-1.png)
U.S. PATENT NO. 11,131,478
DL3127 INSULATED 2-WAY INLET
Part 90300
CFM: 3,107 cfm @ 0.10 SP
BESS Labs Test #16694
Framed Opening: 29″ x 24.75″
Inlet OD: 31″ x 27.25″
![](https://www.doublel.com/wp-content/uploads/2022/12/DL4727-Insulated-Actuated-Attic-Air-Inlet.png)
U.S. PATENT NO. 11,131,478
DL4727 INSULATED 2-WAY INLET
Part 90301
CFM: 4,628 cfm @ 0.10 SP
BESS Labs Test #19572
Framed Opening: 44″ x 24.75″
Inlet OD: 46″ x 27.25″
Features
– Precise control of air movement
– Curved blade
– Fully Insulated Inlets
– Plastic Construction
– Comes Fully Assembled in box
– Continuous Blade Hinge
Benefits
-Curved blade designed to direct air along the ceiling for proper air mixing
-Insulated housing & blades minimize condensation &inlet freeze-up
-Durable plastic construction to withstand power-washing and resist
corrosive environments
-Easy installation into ceiling and all mounting hardware is included
-Proven to seal up better than competition, reducing fuel usage and
creating minimal leakage
CÁC SẢN PHẨM KHÁC BẠN CÓ THỂ QUAN TÂM:
![](https://www.doublel.com/wp-content/uploads/2022/12/DL3232-Insulated-Air-Inlet-300x236-1.png)
Aerodynamic, curved insulated blades
direct attic air along ceiling for proper air mixing.
![](https://www.doublel.com/wp-content/uploads/2022/12/EcoTight-Shutter-with-Logo-1.png)
Improves fan efficiency and
reduces cold air leakage.
![DL INSULATED TWO-WAY INLETS](http://www.doublel.com/wp-content/uploads/2023/02/Screenshot-2023-02-14-101446.png)