All wire form fan guards are designed for optimal fan airflow and noise reduction and to ensure safe operation. 
Available for standard fan sizes 25mm to 254mm, also available for larger size over than 254mm, upon request. 
Material availability: Bright basic wire, Stainless steel 304.
Surface treatment availability : Nickel Chrome, Black E.D., Powder Coat.
Meet UL 6.35mm diameter plus gauge test. 
RoHS Compliant. 
Custom designs are welcomed.