Expando FR Plus 1/2 Inch (13mm) Black With White TracerProduct Details:* Expando FR Plus 1/2 Inch Black with a White Tracer* Sold By The Foot, Sold By The Foot. Minimum Order is 10 Feet* Operating Temperature From -70 Degree C to +125 Degre C (-94 Degree F to +257 Degree F)* UL 1441 VW-1* RoHS Compliant* F.A.R. Part 25 (Expando FR Plus)* Does Not Trap Heat or Humidity* Rot-free* Expandable Design Accommodates a Variety of SizesFederal MogulFR Plus 13