The duct adapter kit is used to join existing 4” ADC plastic duct to 100mm Yellow ducting, etc. The kit consists of 1 base adapter and 2 side adapters with locking tabs and nuts.
Simple, clamp and bolt action, using only 4 nuts
Fast, strong & reliable
Smooth joint
Includes: base adaptor, 2 side adaptors, 4 locking tabs, 4 star washers & 4 nuts