DL1427 Insulated 2-Way Inlet

DL 1427, DL1927, DL3127, and DL4727 Insulated Actuated Air Inlets are great for minimum to maximum ventilation when you need precise control of air movement

DL1427 INSULATED 2-WAY INLET

U.S. PATENT NO. 11,131,478
Part 90304
CFM: 1,153 cfm @ 0.10 SP
BESS Labs Test #21069
Framed Opening: 24.75″ x 11″

DL1927 INSULATED 2-WAY INLET

U.S. PATENT NO. 11,131,478
Part 90306
CFM: 1,681 cfm @ 0.10 SP
BESS Labs Test #21090
Framed Opening: 24.75″ x 16″

DL3127 INSULATED 2-WAY INLET

U.S. PATENT NO. 11,131,478
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″

DL4727 INSULATED 2-WAY INLET

U.S. PATENT NO. 11,131,478
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″