Home / Ducting / PVC Grilles & Diffusers / Louvred Grille with Flyscreen Louvred Grille with Flyscreen £1.66 – £3.55 DUCTMASTER PVC louvred grille with flyscreen. Available in 3 sizes. Size Choose an option100mm125mm150mm Clear Louvred Grille with Flyscreen quantity Add to basket SKU: N/A Categories: Ducting, PVC Grilles & Diffusers Tag: PVC Grilles & Diffusers Product ID: 10441