These couplers for the WireHider Raceway are snap-on accessories designed to connect two sections of surface-mounted raceway (WireHider, Raceway OnaRoll, or Latching Duct) into a continuous, tidy channel. Built from UL94V0 flame-retardant and UV-stabilized PVC or ABS, is paintable to blend into any dcor and ETL-listed for safety. Offered in 1/2-inch, 1-inch, and 1 1/2-inch sizes, it is sold in one-piece packs, and is available in beige, white, or clear.