Extractor Van Cowled Wall Vent 4"5"6" Brown Or White None Return Wind Cowl

4,5,6" Extractor Fan Cowled Wall Vent Brown or White 56530170

In Stock
VAT included

4" 5" & 6" 100mm, 125mm, & 150mm - White Or Brown - Free Flow Area 7850 mm2



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Extractor Venting Cowled Wall Vent 4" 5" & 6" White Or Brown

The cowled wall vent has a none return valve flap & wind cowl. Finished in either brown or white. The UV stabilised materials are ideal for exposed locations. Covering a large free-flow area @ 7850 mm2. Available in three different sizes, the diameter is the internal round hole size.

Please see the dimensions below : 


  • Brown or white
  • Non-return flap & wind cowl
  • Three sizes
  • Will connect to round pipe, threaded hose coupler & round to flat converter 
  • Free flow areas 7850 mm2
  • UV stabilized material
  • Round spigot

Internal Dimensions

  • 4" 100mm
  • 5" 125mm
  • 6" 150mm

All Cowled wall vents have a square outer with the round section being system 4, 5 or 6" Please see approx sizes below

Dimensions System 4

  • 4" Internal (100mm hole)
  • Square 140 x 140mm
  • 70 x 120mm Rectangular hole
  • Depth 85mm  + 35mm hole outer depth 

Dimensions System 5

  • 5" Internal (125mm)
  • Square 176 x 176mm
  • 70 x 155mm Rectangular hole
  • Depth 90mm + 30mm hole outer depth

Dimension System 6

  • 6" Internal (150mm)
  • Square 176 x 176mm
  • 70 x 155mm Rectangular hole
  • Depth 90mm + 35mm hole outer depth

Need assistance? Call our friendly team on 01205 760462

Delivery Service Summary

Economy £6.95 : Up to 7 working days. F.O.C on internet orders over £100.00

Express £8.95 : Up to 5 working days

Fast Delivery (Mon to Fri) £10.99 : 1-2 Working Days, if ordered prior to 12 noon. Certain products/locations only

Granite sinks : £18.00 1-2 Working day

Kessebohmer: £40.00 1-2 Working day 

Free Economy Delivery on orders over £100* Conditions apply


All Delivery charges exclude some orange (Scotland) green (BT) or Isles – See main page map

Delivery service selected is an estimation & not a guaranteed service.

Ceramic sinks are available on our fast service, 1-2 working days from £66.00 (Pallet service) this is depending on location

Ceramic or granite sinks are delivered via our own transport to enable a safe & secure arrival. They only deliver to certain areas of England up to & including CA Carlisle Or NE Newcastle. Contact us for other areas. A two day service may be applicable

Certain ceramic sinks, larders or Kessebohmer products are very heavy and pallets may be selected by the couriers to safeguard against damages. Due to this, the delivery will only be attempted once as advised and if no one is available to accept the delivery a charge may be incurred of £40.00.

We try to dispatch immediately but distribute products on a "drop ship" basis from various locations so we may need to bring the items to one location before dispatch. Enabling more single deliveries for our customers. 

Deliveries must be checked within a 24 hour period from receipt and any damages notified immediately or within 48 hours to us with images by email 

For more info visit delivery information page.