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Product Details

Fits into ceiling and connects to hose or pipe. Can be used with in-line fan or multi room extract system. Adjustable air flow.

Technical Specification
Brand Verplas
Colour by dominance White
Material PVC
Manufacture ID VKC306F
Size (mm) 100
Diameter (mm) 100
Size (Inches) 4
Delivery details
Order value: Under £10 £10 & over
Express usually Next Business Day before 6pm
Due to temporary service restrictions our estimated delivery time is currently 2-3 business days
£5 Free
Turbo usually Next Business Day before 12 noon Temporarily unavailable £10 £5
Remote areas standard delivery (2-4 days) £5 Free
Order Value: Under £25 Over £25 but less than £75 £75 & Over
£10 £5 Free

Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details
If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 5 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 9pm Mon-Fri (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
White PVC Ceiling Vent Diffuser / Valve 100mm is rated 4.6 out of 5 by 14.
Rated 5 out of 5 by from Easy to fit I fitted this a couple of days ago. As per previous reviews it was a doddle to fit. Straight forward instructions. It looks the part and is doing the job. I’ve adjusted the air flow by twisting the main body of the vent.
Date published: 2020-03-23
Rated 5 out of 5 by from Easy to install I use these with an in-line extractor and they work well. There are 2 parts, one of which allows you to fix it to the ceiling and a cover that slots in. Very easy to install and also adjust to vary the amount of air to let in. Would recommend.
Date published: 2020-01-27
Rated 5 out of 5 by from Professional vent diffuser Easy to install vent diffuser valve
Date published: 2019-12-24
Rated 5 out of 5 by from does the job Does the job as described. Product appears to be Verplas VKC306F. If I could fault this in any way, the flow may be a little too restrictive for some applications, in which case use a 125mm valve and reducer
Date published: 2019-10-10
Rated 4 out of 5 by from No instructions! As with other reviews the centre part is skew-wiff which isn’t a major problem but there’s no instructions, rather annoying, I didn’t realise you could screw it to the ceiling around the rim thought you could only clamp it with a plastic ring, or you can pull it out to clean etc via spring clips. I was about to return it, good job I read the reviews and someone mentioned it.
Date published: 2019-09-05
Rated 5 out of 5 by from Vent Excellent fitting for an extraction vent in your ceiling
Date published: 2019-08-04
Rated 4 out of 5 by from Good Looks and does what was expected
Date published: 2019-04-18
Rated 3 out of 5 by from Good budget item Good product but built to a price. Bought three but central part is slightly out of true on all. Had to 'adjust' two of them. However, they are at a price where this is quite acceptable.
Date published: 2019-04-16
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