Fantech RESPG150RNBK Rapid Response Series Exhaust Fan Grille, Round, Ceiling Mount, 250mm, 332mm O/D, Black

Features:
• Available in round and square models.
• Available in 2 sizes to suit 8" and 10" rapid response header box fan models.
• Quick and easy to install.
• Can be retrofitted to a previously installed rapid response fan.