The Coupler joins two 3.75" (100mm) ducts to accommodate long lineset runs.
Weather resistant PVC, UV stabilized & fire resistant. Tested to over 2,000 hours. Temperature range -4°F to 140° F
Complements any residential or commercial building. Available in SD77 (2 3/4"), SD100 (3 3/4"), SD140 (51/2") and 4 color options (white, ivory, black and brown)
Heavy duty grade - For mini splits, high velocity and convential ducted AC systems.
