![Can someone ELI5. Have 24v axial fan for 3d printing. added this turbine shaped fan guard at inlet. the turbine design increases fan noise. does this have an additive or subtractive affect Can someone ELI5. Have 24v axial fan for 3d printing. added this turbine shaped fan guard at inlet. the turbine design increases fan noise. does this have an additive or subtractive affect](https://preview.redd.it/hbnfa84258g71.png?auto=webp&s=ac7afb2bf4442b3c04d0eb08027401cf602bbfb4)
Can someone ELI5. Have 24v axial fan for 3d printing. added this turbine shaped fan guard at inlet. the turbine design increases fan noise. does this have an additive or subtractive affect
![Ywf 300mm Waterproof Sucking Internal Rotor Axial Flow Fan for Condensing Unit - China Ywf Axial Fan, Waterproof Axial Fan | Made-in-China.com Ywf 300mm Waterproof Sucking Internal Rotor Axial Flow Fan for Condensing Unit - China Ywf Axial Fan, Waterproof Axial Fan | Made-in-China.com](https://image.made-in-china.com/2f0j00WjMlGagtHeoy/Ywf-300mm-Waterproof-Sucking-Internal-Rotor-Axial-Flow-Fan-for-Condensing-Unit.jpg)
Ywf 300mm Waterproof Sucking Internal Rotor Axial Flow Fan for Condensing Unit - China Ywf Axial Fan, Waterproof Axial Fan | Made-in-China.com
![Axial Fans: 3D models - SOLIDWORKS, Inventor, CATIA V5, AutoCAD, STEP, STL and many more | TraceParts Axial Fans: 3D models - SOLIDWORKS, Inventor, CATIA V5, AutoCAD, STEP, STL and many more | TraceParts](https://cdn.tracepartsonline.net/PartsDefs/Production/RS_COMPONENTS/10-09122014-119599/Pictures/10-09122014-119599L.gif)
Axial Fans: 3D models - SOLIDWORKS, Inventor, CATIA V5, AutoCAD, STEP, STL and many more | TraceParts
![400mm Axial Fan with External Rotor Motor for Cooling Freezer - China Exhaust Fan and Fan price | Made-in-China.com 400mm Axial Fan with External Rotor Motor for Cooling Freezer - China Exhaust Fan and Fan price | Made-in-China.com](https://image.made-in-china.com/2f0j00PZyVsWKMLlrf/400mm-Axial-Fan-with-External-Rotor-Motor-for-Cooling-Freezer.webp)