1.You can contact the customer service. for any question regarding the product.
2.Ask the question in English to get answer faster.
3.Keep your question short and to the point.
安全なチェックアウト

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Sizes: blow hole(inside): 13mm x 17.5mm
blow hole(outside) 15.1mm x 19.9mm
blow hole walls 0.7mm to 1.1mm
Overall size: 51.7mm x 51.7mm x 14.9mm
screw holes (shortest distance, ihg ) 52.3mm
screw holes (longest distance, outer end 61.7mm
screw hole size/diameter: 4.8mm
Wire lenght 227mm
Good cooling fan.
Tips:For questions about your order, place of delivery, product discount, taxation, delivery time, warranty, shipping, payment, exchange rate, and other questions unrelated to the product, please contact customer service.
A part of the QA has been auto-translated.