Hand adjustable flap HKS 15

Adjustable flap HKS NW150

Hand-adjustable flap, for NW 150 mm, UV-resistant plastic, gray, closes with spring supporty

measure D: 160 mm measure H/B: 194 mm measure LA: 140 mm measure T: 22 mm

To prevent cold air in case of fan arrest and the ingress of dirt, birds, larger insects and other objects into a ventilation opening, one uses shutters that open only when needed. The HKS series is manually adjustable by means of drawstring.