Non-return valve

PVC non-return valve 100 mm - ventilation shaft

PVC non-return valve 125 mm - ventilation duct

PVC non-return valve 150 mm - ventilation duct

Aluminium check valve 125 mm - ventilation duct

Non-return valve, aluminium 150 mm - ventilation duct

Aluminium check valve 200 mm - ventilation duct

Non-return valve aluminium 254 mm - ventilation duct

Non-return valve aluminium 315 mm - ventilation shaft

irrigation Check Valve 4mm

Steel check valve kom 100mm, ventilation duct

Winflex - square flange 100mm anti-backflow ventilation ducting

Winflex - 125mm square flange non-return air duct ventilation duct

Winflex - square flange 150mm anti-backflow ventilation ducting

Winflex - square flange 200mm anti-backflow ventilation ducting

Non-return valve steel KOM 160 mm - Ventilation duct - Winflex

Rectangular non-return valve for tube 60x120mm

Rectangular non-return valve for tube 60x204mm

Rectangular check valve for tube 55x110mm

Non-return valve for air extractor fan 100 KO - 100mm plastic - Winflex

Check valve for air extractor fan 125 KO - 125mm plastic - Winflex