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Member Since: 21 Mar 2014
Location: Suffolk
Posts: 2971

United Kingdom 2011 Defender 110 Puma 2.4 HT Corris Grey
Snow cowl to reduce dust?
I'm getting annoyed with getting dust in the cab when driving in dusty conditions.
I know that D44 sell a filter for the fan intake, but that looks like it won't cope well with rain. Talking to someone recently they suggested that a snow cowl would reduce the dust intake, and I guess I could always fit some filter material underneath it too.

Does this logic work or do I just need to fit a snorkel on both sides of the Defender? Laughing
Post #655332 6th Oct 2017 11:53am
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ibexman



Member Since: 13 Dec 2008
Location: Essex
Posts: 2947

United Kingdom 
I have a D44 pollen filter rain no problems in rain Whistle
Post #655333 6th Oct 2017 12:00pm
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LandRoverAnorak



Member Since: 17 Jul 2011
Location: Surrey
Posts: 11324

United Kingdom 
I can't see that a snow cowl alone would reduce dust significantly. A filter of some sort would be required for that.

A second snorkel isn't as daft as it sounds but surely overkill for the UK? Darren

110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak

"You came in that thing? You're braver than I thought!" - Princess Leia
Post #655338 6th Oct 2017 12:13pm
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Member Since: 21 Mar 2014
Location: Suffolk
Posts: 2971

United Kingdom 2011 Defender 110 Puma 2.4 HT Corris Grey
ibexman wrote:
I have a D44 pollen filter rain no problems in rain Whistle


Ah, interesting. It looks like it just sits in place of the plastic mesh on the wing, what stops it getting soggy?
Post #655342 6th Oct 2017 12:24pm
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Cupboard



Member Since: 21 Mar 2014
Location: Suffolk
Posts: 2971

United Kingdom 2011 Defender 110 Puma 2.4 HT Corris Grey
LandRoverAnorak wrote:
I can't see that a snow cowl alone would reduce dust significantly. A filter of some sort would be required for that.

A second snorkel isn't as daft as it sounds but surely overkill for the UK?


Not for the UK Smile
Post #655343 6th Oct 2017 12:25pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17475

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
I have a snow cowl and my cab still fills with dust!

I suspect that most of the dirt comes in through the places where the water and draughts come in, rather than through the heater though.
Post #655344 6th Oct 2017 12:29pm
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mick



Member Since: 08 Feb 2010
Location: Yorkshire
Posts: 2109

England 2010 Defender 130 Puma 2.4 HCPU Rimini Red
Move to Yorkshire Whistle dust won’t be a problem Thumbs Up
Post #655463 6th Oct 2017 6:41pm
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Bluest



Member Since: 23 Apr 2016
Location: Lancashire
Posts: 4219

United Kingdom 2007 Defender 110 Puma 2.4 XS CSW Java Black
I would imagine you could use something like aquarium filter foam, cut to fit under/around the intake grill to act as a sort of rudimentary filter, combined with a snow cowl to hide it and kept wet and leaves out, be interesting to see if it made much difference. 2007 110 TDCi Station Wagon XS
Post #655509 6th Oct 2017 8:42pm
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Cupboard



Member Since: 21 Mar 2014
Location: Suffolk
Posts: 2971

United Kingdom 2011 Defender 110 Puma 2.4 HT Corris Grey
blackwolf wrote:
I have a snow cowl and my cab still fills with dust!

I suspect that most of the dirt comes in through the places where the water and draughts come in, rather than through the heater though.


Judging by the cloud of dust that happens if I adjust the fan speed or direction, I think a fair amount comes in through the ventilation system Very Happy I also get little sand dunes on the dash under the vents.

However, I also get a load on top of the sun visors so I don't think it *all* comes in through the vents Smile

Bluest wrote:
I would imagine you could use something like aquarium filter foam, cut to fit under/around the intake grill to act as a sort of rudimentary filter, combined with a snow cowl to hide it and kept wet and leaves out, be interesting to see if it made much difference.


Yes, that was the idea. But using this sort of material: http://uk.rs-online.com/web/p/filter-media/1221772/
Post #655596 7th Oct 2017 10:51am
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Bluest



Member Since: 23 Apr 2016
Location: Lancashire
Posts: 4219

United Kingdom 2007 Defender 110 Puma 2.4 XS CSW Java Black
I'm not really an expert, but whatever filter material needs to be something that won't hold too much water. It's going to get pretty wet on the wing top and will probably stink if can't dry. 2007 110 TDCi Station Wagon XS
Post #655606 7th Oct 2017 11:21am
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