Our valves are durable.
2X 100mm/4" Back Draft Draught Shutter for Inline Extractor Fan Ducting Joining
150 mm 6 inch Back Draught back draft Shutter Inline Extractor fan Ducting pip
100mm/4" Back Draft Draught Shutter for Inline Extractor Fan Ducting KO100-22
100 mm 4" Back Draft Draught backdraught Shutter Inline Extractor Fan Ducting
100mm/4" Back Draft Draught Shutter for Inline Extractor Fan,Ducting joining pip
Metal Spring Loaded Back Draft Shutter 4" to 12"
