von duprin hurricane rated mullion

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The HH9954 is the only Von Duprin hurricane impact-rated mullion. Hurricane ratings vary by location and application. Be sure to check with the local authority and/or the Regional Allegio...
To use Von Duprin mullion for something other than our standard strike, order the mullion "Blank" and prep in the field.
The part number for a Von Duprin 4954 mullion bottom fitting is #050390.
The Von Duprin 4754, 4854, 9954, and 9854 mullions can be converted or ordered with key removable option. KR54-F kit is the conversion kit to convert the above mullions to key removable mullion.
Order the 4854 mullion 'BLANK' x size x finish