4" 100mm - Back Draft Shutter Duct Connector

Back Draught Shutter Duct Connector 4", 5" 6"
Regular price £1.50
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Please select size from drop down menu
Male spigots
In-line gravity operated back draught shutter.
Will stop backdraught when a fan is switched off.
Made from tough, white GRP plastic.
Will fit standard size dia ducting.
Can be mounted horizontally & vertically.
Please make sure you fan is powerful enough for this Back draught shutter pressure drop 15 PA

Please see our shop for more products!
Please select size from drop down menu
Male spigots
In-line gravity operated back draught shutter.
Will stop backdraught when a fan is switched off.
Made from tough, white GRP plastic.
Will fit standard size dia ducting.
Can be mounted horizontally & vertically.
Please make sure you fan is powerful enough for this Back draught shutter pressure drop 15 PA

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