Rectorseal Slimduct 3.75"-2.75" Reducer, White 100-77. Reducers Offer An Aesthetically Pleasing Transition From A 3.75" (100mm) Duct To A 2.75" (77mm) Duct. Weather resistant PVC, UV stabilized & fire resistant. Tested to over 2,000 hours. Temperature range -4degree F to 140degree 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). 78" duct lengths and 15 fittings ensure complete flexibility of installation. Mfg #85106

• Reducers Offer An Aesthetically Pleasing Transition From A 3.75" (100mm) Duct To A 2.75" (77mm) Duct.
• Weather resistant PVC, UV stabilized & fire resistant. Tested to over 2,000 hours. Temperature range -4degree F to 140degree 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)
• 78" duct lengths and 15 fittings ensure complete flexibility of installation

Flex Adapters connect the Flexible Elbow to the 3.75" (100mm) Duct. . Weather Resistant Pvc, Uv Stabilized & Fire Resistant. Tested To Over 2,000 Hours. Temperature Range -4degree f To 140degree 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) . 78" duct lengths and 15 fittings ensure complete flexibility of installation. Mfg #85109

• Flex Adapters connect the Flexible Elbow to the 3.75" (100mm) Duct.
• Weather resistant PVC, UV stabilized & fire resistant. Tested to over 2,000 hours. Temperature range -4degree F to 140degree 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)
• 78" duct lengths and 15 fittings ensure complete flexibility of installation