KDE Series are offered in 40 x 40 x 10, 40 x 40 x 20, 45 x 45 x 10, 50 x 50 x 10, 50 x 50 x 15, 60 x 60 x 15, 60 x 60 x 20, 60 x 60 x 25, 70 x 70 x 15, 70 x 70 x 20, 70 x 70 x 25, 80 x 80 x 20, 80 x 80 x 25, 92 x 92 x 25 and 120 x 120 x 38 mm. The air flow ranges from 6.3 to 145 CFM and it’s offered in their standard 5, 12, 24 and 48 volts. All models can be customized if needed to fit your voltage requirements.