The 300-220mm adaptor is used to provide a reducing connection between standard 300mm and 220mm straight ducting or tee pieces. The adaptor requires slotless joiners at the 300mm & 220mm interfaces (Part No’s: TC1279- 287A & TC1279250A). Each connection produces smooth & strong joints. These are available separately.
Includes cover (Part No: TC 1279-282)
Clips straight into joiner
Ribs included for extra strength
Tough, fire retardant material
Joiners (Part No’s: TC1279-287A & TC1279-250A); available separately
Also available without cover, as Part No: TC1279-281