40mm Fan max airflow is 7.41 CFM 210 Litresminute 60mm Fan max airflow is 14.8 CFM 420 Litresminute 80mm Fan max airflow is 31.87 CFM 900 Litresminute 92mm Fan max airflow is 42.37 CFM 1200 Litresminute 120mm Fan max airflow is 79.2 CFM 2200 Litresminute A range of 12 Vdc axial fans with plastic housings & blades to UL49V-0. These fans have brushless motors for long life. Slimline style. Connection is by 300mm flying leads red is positive blue is negative. Specifications Type 40mm Operating voltage 10.2V to 13.8 V Rated voltage 12 V Current 160m A Noise level 35d BAMax airflow 210 litresmin Continuous life 20000 hrs 40 COperating temperature-10 C to 70 CInsulation resistance 10 M Omega 500 Vdc DC dielectric strength 5m A 500 Vac Weight 40g Overall size 40 x 40 x 20mm Fixing centres 32 x 32 x 3.5mm dia Specifications Type 60mm Operating voltage 10.2V to 13.8 V Rated voltage 12 V Current 200m A Noise level 35d BAMax airflow 420 litresmin Continuous life 60000 hrs 40 COperating temperature-10 C to 70 CInsulation resistance 10 M Omega 500 Vdc DC dielectric strength 5m A 500 Vac Weight 110g Overall size 60 x 60 x 25.5mm Fixing centres 50 x 50 x 4.2mm dia Specifications Type 80mm Operating voltage 10.2V to 13.8 V Rated voltage 12 V Current 180m A Noise level 31d BAMax airflow 900 litresmin Continuous life 60000 hrs 25 COperating temperature-10 C to 70 CInsulation resistance 10 M Omega 500 Vdc DC dielectric strength 5m A 500 Vac Weight 140g Overall size 80 x 80 x 25.5mm Fixing centres 71.5 x 71.5 x 4.5mm dia Specifications Type 92mm Operating voltage 10.2V to 13.8 V Rated voltage 12 V Current 300m A Noise level 35d BAMax airflow 1200 litresmin Contiuous life 60000 hrs 25 COperating temperature-10 C to 70 CInsulation resistance DC 10 M Omega 500 Vdc DC dielectric strength 5m A 500 Vac Weight 150g Overall size 92 x 92 x 25.5mm Specifications Type 120mm Operating voltage 10.2V to 13.8 V Rated voltage 12 V Current 380m A Noise level 42d BAMax airflow 2200 litresmin Contiuous life 60000 hrs 25 COperating temperature-10 C to 70 CInsulation resistance 10 M Omega 500VDC dielectric strength 5m A 500 Vac Weight 200g Overall size 119.5 x 119.5 x 25.5mm Fixings centres 104.8 x 104.8 xdia 4.5mm