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Nylon Wall Plugs 8mm - Box of 100

150 dia Plastic Supply/Exhaust Valves

2mm Wire Rope 150m Reel

Wires with Carabina 2mm x 2m - Pack of 10

Shield Anchors M8

Ductwrap - Isover ClimCover Alu2 25mm 18m Roll

Please note we are currently unable to dispatch to Northern Ireland due to high carriage costs.Please note that we no longer accept Paypal payments.

400 width

Ventilation Ducting | Rectangular Ductwork | Grille Saddles | 150 | 400 width

150 dia Grille Saddle Width 400
SGS150-400

Use the drop down menus below to select the height and depth required. A depth of 100mm is common for these saddles, but it's not unsual to see them deeper.

Note if the grilles to be installed will carry a damper you should avoid a 50mm deep saddle - the extra depth of the grille/damper combination will mean the damper will encroach into the main duct, restricting airflow.

Use the drop down to select flange type. A 25mm internal flange is usual on these saddles. Please note that this internal flange has the effect of reducing the duct size by 50mm; consideration therefore needs to be made when matching the grille to the saddle e.g. a 400x150 grille will require a 450x200 saddle. With a 20mm external flange this does not apply i.e. the grille size must match the duct size e.g. a 400x150 grille will require a 400x150 saddle.

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