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Vents KO 100 check valve is connected to the fan pipes of the following fan series: M series C series M3 series X series LD series Silenta-M series ..

Vents KO 125 check valve is connected to the fan pipes of the following fan series: M series C series M3 series X series LD series Silenta-M series ..

Vents KO 150 check valve is connected to the fan pipes of the following fan series: M series C series M3 series X series LD series Silenta-M series ..

Check valve for ventilation Vents KOM 100 type 'butterfly' made of galvanized steel, valve blades made of aluminum. The valve has two spring..

Check valve for ventilation Vents KOM 150 type 'butterfly' made of galvanized steel, valve blades made of aluminum. The valve has two spring..

Check valve for fan Vents KOM 200 type 'butterfly' made of galvanized steel, valve blades made of aluminum. The valve has two spring-loaded ..

Check valve for ventilation Vents KOM 250 type 'butterfly' made of galvanized steel, valve blades made of aluminum. The valve has two spring..

Vents KOM1 125 gravity-type ventilation check valve is designed to shut off a round channel in supply or exhaust ventilation systems when the equipmen..

Vents KOM1 150 gravity-type ventilation check valve is designed to shut off a round channel in supply or exhaust ventilation systems when the equipmen..

Vents KOM1 200 gravity-type ventilation check valve is designed to shut off a round channel in supply or exhaust ventilation systems when the equipmen..

Vents KOM1 250 gravity-type ventilation check valve is designed to close a round channel in supply or exhaust ventilation systems when the equipment i..

Vents KOM1 315 gravity-type ventilation check valve is designed to shut off a round channel in supply or exhaust ventilation systems when the equipmen..