KF ventilation grille is designed for decoration of outdoor ventilation outputs. Equipped with gravity louvers for back draft protection. KF is made of ASA-plastic resistant to temperature and weather changes.
2424K20F, 2929K25F, 3636K31,5F, 4141K35,5F, 4646K40F are available only in grey.
Gravity louvers work as a back-draught shutter preventing back-draft.
Resistant to temperature and weather changes.