Home UL UL Subject 639:2009 UL Subject 639:2009$289.91 Original price was: $289.91.$144.00Current price is: $144.00. Standard for Intrusion-Detection Units (CSDS Proposal, 10/16/2009) Underwriters Laboratories , 10/16/2009 UL Subject 639:2009 quantity Add to cart Category: UL Description Standard By:Underwriters Laboratories , 10/16/2009 Published:10/16/2009 Related products UL 224:1999 $103.11 Original price was: $103.11.$51.00Current price is: $51.00. Add to cart UL 1413 $631.00 Original price was: $631.00.$315.00Current price is: $315.00. Add to cart UL 768:1999 $222.51 Original price was: $222.51.$111.00Current price is: $111.00. Add to cart UL Subject 1686:1999 $119.03 Original price was: $119.03.$59.00Current price is: $59.00. Add to cart UL Subject 676:1999 $247.42 Original price was: $247.42.$123.00Current price is: $123.00. Add to cart UL Subject 1062:1999 $282.91 Original price was: $282.91.$141.00Current price is: $141.00. Add to cart UL Subject 1450:1999 $261.78 Original price was: $261.78.$130.00Current price is: $130.00. Add to cart UL Subject 142:1999 $178.40 Original price was: $178.40.$89.00Current price is: $89.00. Add to cart UL 606 $502.00 Original price was: $502.00.$251.00Current price is: $251.00. Add to cart UL Subject 1670:1999 $159.67 Original price was: $159.67.$79.00Current price is: $79.00. Add to cart