Wire Mesh Guard for 172mm Fan Part Nos. WMG172M, WMG172B 2-o4.30.2 o150 8.5 4.75 6.51 10557 Metric Drive Dallas, Texas 75243 214-340-0265 4.15 Part No. Description WMG172M Aluminum Fan Filter, mill finish WMG172B Aluminum Fan Filter, black finish WMG172M/PK 10-pack mill finish Aluminum filter, boxed WMG172B/PK 10-pack black Aluminum filter, boxed OrionFans.com RoHS Compliant Information and data is subject to change without prior notification. Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Orion Fans: WMG172M WMG172G WMG172B WMG172C