Manrose Cowl Vent Brown 140 x 140mm

Product Code: 14789
Manrose Cowl Vent Brown 140 x 140mm
Product Code: 14789
HIPS polystyrene. Compliant with Part F of the Building Regulations. Suitable for commercial and domestic use with 100mm round pipe or 110 x 54mm rectangular ducting. Not suitable for gas appliances and must not have grilles or flaps obstructed designed for products such as ventilation and extraction fans, etc.


  • Suitable for Outdoor Use
  • Surface-Mounted
  • W x D x Lg: 140 x 83 x 140mm
  • Model No: 41032
  • Channel Width: 100mm


W x D x L: 140 x 83 x 140mm. Channel width: 100mm. Free air space: 14,700mm². Fixings not supplied.
€4.65 Incl. 20% VAT
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Additional Information
Technical Specification
  • Brand : Manrose
  • Product Length : 140 mm
  • Product Type : Cowl Vent
  • Fixings Supplied : Fixings not supplied
  • Suitable Use Type : Suitable for Outdoor Use
  • Model No : 41032
  • Product Width : 140 mm
  • Channel Width : 100 mm
  • Colour : Brown
  • Product Depth : 83 mm
  • Pack Size : 1
  • Shape : Square
  • Manufacturer Guarantee : 3 Year Manufacturer's Guarantee
  • Pieces in Pack/Case : 1
  • Wall Ventilation Air Flow : 14,700 mm²
Product Contents
Delivery & Returns


Standard delivery: €15

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Manrose Cowl Vent Brown 140 x 140mm is rated 4.0 out of 5 by 32.
Rated 3 out of 5 by from Manrose Cowl / Vent As advertised but did find this product brittle. Care should be taken when fitting, Not the fault of Screwfix.
Date published: 2016-11-23
Rated 5 out of 5 by from Does the job Replaced a multi flap version after one of the flaps disappeared. Easy to fit and quieter in the wind. Was suspicious that previous one was draughty and based on other comments expect improvement.
Date published: 2016-11-09
Rated 4 out of 5 by from Does what it says on the tin Useful design to suit rectangular and round outlets. Easy to fit.
Date published: 2016-10-18
Rated 2 out of 5 by from Noisy Rattle & Weak Hinge Like other reviewers: weak pins broke so used panel pin trick. Main problem is "banging" in wind, which was vetoed by management. Replaced with three louvre version, which still rattles but is far less noisy. Can't someone make a better cover?
Date published: 2016-09-29
Rated 4 out of 5 by from Easy anf good Easy to fit to wall, works well and looks acceptable
Date published: 2016-09-06
Rated 5 out of 5 by from Does round & rectangular duct This will accmadate both round and rectangular ducting. In Q&A it does say circular only, so ignore that it does both.
Date published: 2016-06-26
Rated 5 out of 5 by from Stopped the draft Does exactly what I wanted. No longer hear the wind blowing through the vent. Really easy to fit as I managed it.
Date published: 2016-05-07
Rated 5 out of 5 by from No Flapping Around With This Nice unit, it does what it's suppose to. You can hear the flap opening and closing when the wind blows, but it's not too loud.
Date published: 2016-04-27
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