The NGP 106NA  is an Adjustable Perimeter Seal, with a Neoprene seal, it has Adjustment screws on 10" centers that allow adjustment without re-positioning. 

106NA Features

• Aluminum alloy 6063, T5 temper
• Synthetic rubber polymer blend: Chloroprene and EPDM
• Very good abrasion resistance, tensile strength and memory
• Flame resistant
• Moisture resistant
• Temperature range -20°F to 200°F
• Good resistance to ozone, sunlight and aging
• BHMA Certified to ANSI/BHMA A156.22 performance tests for heat and cold
• Adjustment screws on 10" centers allow adjustment without re-positioning mounting location
• #6 x 3/4" or #6 x 1-1/2" stainless steel SMS furnished
• Neoprene is black
• Anodized aluminum

• CERTIFIED by UL to CAN/ULC-S104 and ANSI/UL10B, complies with NFPA 80 and NFPA 252 for application to Hollow Metal fire doors rated up to 3 Hrs., and Wood fire doors rated up to 90 minutes.

• POSITIVE PRESSURE - CERTIFIED by UL to ANSI/UL10C, complies with IBC, NFPA 80, and NFPA 252 for application to Hollow Metal fire doors rated up to 3 Hrs., and Wood fire doors rated up to 90 minutes.
  
• AIR INFILTRATION TESTED to ASTM E283, Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors.
  
• SMOKE & DRAFT CONTROL GASKETING. Certified by UL to ANSI/UL10C and ANSI/UL1784 Category ‘H’; complies with IBC and NFPA 105 for use on ‘S’ labeled Positive Pressure Hollow Metal fire doors rated up to 3 hours, and Wood fire doors rated up to 90 minutes.
  

• ANSI/BHMA CERTIFIED. Certified Gasketing complies with American National Standard for Door Gasketing and Edge Sealing Systems ANSI/BHMA A156.22 and is listed in the BHMA Certified Products Directory