Cowled Wall Vent Rectangular Spigot 4" 100mm None Return & Wind Cowl

4" 100mm Cowled Wall Vent Rectangular Non Return Brown 56530174

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Brown finish - 4" 100mm - Flame retardant PVC - Free flow area 7850mm2

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Cowled Wall Vent With Rectangular Spigot Brown

Ideal for exposed exterior areas, the cowled wall vent is available for 4" 100mm with rectangular spigot. Available in brown, the PVC material is flame retardent and has a free flow of 7850mm2.


  • Brown 
  • 4" 100mm
  • PVC retardent
  • Rectangular spigot
  • Non return flap & wind cowl
  • Recommended for exposed locations
  • Free flow 7850mm2
  • UV stabilised material


  • Width 110mm
  • Height 54mm
  • 4" 100mm internal dimension

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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.