Zehnder Filter for ComfoWell 520, CW-F9 520, ISO ePM1 (F9), 1 pc product_type_mounting_fixing This when combined with the

This when combined with the latest digital comntrols - designed to be sensitive enough to react to occupier use and not a pre-set generic setting - make this the latest technology providing comfortable efficient ventilation

This prevents effective heat transfer

PB5 Parts Bags are sold as a pack of five with a colour coded webbing strip to aid organisation as well as a see through mesh side panel so as you can view the contents

• Fixing kit

Combined external wall grille

Zehnder Filter for ComfoWell 520, CW-F9 520, ISO ePM1 (F9), 1 pc product_type_mounting_fixing This when combined with theZehnder ComfoWell 520 Dust Filter ISO ePM1 >90% F9 Zehnder P N 990 323 607