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Detex F90KR 7

Detex F90KR 7

Detex F90KR 7' Fire Rated Keyed Removable Mullion

Manufacturer: Detex
Price: $629.51
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Availability Information
Standard - ships in 1-2 business days.
Additional Declarations - This manufacturer has an order minimum of $85.00 - if your total is less than this amount, the lead time approximately 2-3 weeks before it would ship. Simply exceed this minimum order amount so that we can drop ship the material to your location.
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This item ships from MA.


detex logo F90KR 7' Fire Rated Key Removeable Mullion
  • For use on standard and fire rated pairs of doors
  • UL and Warnock Hersey listed for 3 hour fire rated pairs of doors up to 8'x8'
  • 11 gage, 2"x3" steel mullion tube for strength and durability
  • Shims provided to insure
  • Base anchors included accurate fit


  • Designed for heavy duty use
  • Simple, user friendly operation
  • Cylinder located inside the building to prevent tampering (cylinder sold separately)


Handed arm is field-reversible
  • Easy to install - no drilling of the mullion tube
  • Mullion can be removed in seconds with one key turn, and easily snaps back into place without needing the key
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