Genuine Titon HRV1.5, 1.75, 2, 2.75, 3 Filters G3 (400 x 203) Pair - XP40132 veto_cat_security Duct size 150mm Charcoal filter

Duct size 150mm Charcoal filter not included

The Select AXSKMA is a dual speed axial fan with anti-backdraught shutters and built-in guide vanes to improve airflow

Heat exchanger cube Filter

'X' suffix models also have powered electric anti-backdraught shutters 258110

Genuine Titon HRV1.5, 1.75, 2, 2.75, 3 Filters G3 (400 x 203) Pair - XP40132 veto_cat_security Duct size 150mm Charcoal filterG3 filters for use with HRV1. 5, 1. 75, 2, 2. 75, 2. 85 and 3 Q Plus. Size 400mmx203mm Model Version HRV1. 35 Q+ TP403 HRV1. 5 Q+ TP403A HRV1. 65 Q+ TP404A HRV1. 75 Q+ TP401 HRV2 Q+ TP401A TP405A HRV2. 75 Q+ TP407A HRV2. 85 Q+ TP402 HRV3 Q+ TP402A