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[2boxerdogs]

Fitted a new pollen filter in the 2.6 used the genuine thing £20.00 plus vat, will probably do the 2.2 in the next couple of weeks as well, am I best sticking with genuine or can the ones on the bay do just as well ? Oh & yes the scuttle  drain was  nice & clear before anyone asks..

[TheBoy]

For facelifts, it must be the carbonised type. Most patterns are not.

If you can find the right type at a good price, yeah, go for it , if hardly anything in it, I'd stick to genuine on TC

[2boxerdogs]

Thanks for the advice, will stick with genuine for both.

[plym ian]

I found a carbon one on eBay for £6.50 seamed ok

http://m.ebay.co.uk/itm/231159037026?nav=SEARCH

[omegod]

Anyone know why it" must" be carbon for the facelift, I can't see any difference between the system on PFL and FL. I am prepared to be educated tho!

[Broomies Mate]

The Facelift Climate system monitors the incoming air and automatically switches to recirculate when the incoming air is dirty.  When using the non carbon filter, it thinks the air is dirty all the time and fudges the system, or summat lyk dat.   

[Magwheels]

Well I have run a non carbon one since the beginning of the year and it has made no difference whatsoever, but if you can get a carbon one for £6.50 off Fleabay then why not go with it! The carbon element will only take out certain pollutants not everything so if you never go anywhere that requires that sort of filtering it will make no difference in reality.
"Activated charcoal is good at trapping other carbon-based impurities ("organic" chemicals), as well as things like chlorine. Many other chemicals are not attracted to carbon at all -- sodium, nitrates, etc. -- so they pass right through. This means that an activated charcoal filter will remove certain impurities while ignoring others. It also means that, once all of the bonding sites are filled, an activated charcoal filter stops working. At that point you must replace the filter."
Hope that helps.

[Webby the Bear]

I'm also running an aftermarket pollen filter. Change it once a year. no probs

[maracus]

ive just brought a carbon pollen filter for mine... Think it was about £12 from ECP  ok it's for my Astra but it looks like it might just be the same size... I'll trial fit it in the omega just to find out I think!

[omegod]

Cheers for the clarity, I asked because I find a lot of "musts" on cars are complete and expensive balls. GM Cam cover gaskets excepted of course

[TheBoy]

The reason for FL's needing the carbon ones is for the air purity sensor. At best, using a non carbon one, it causes the auto recirc to come on inappropriately, leading to poor ventilation. At worse, it then buggers the sensor.

If you can get a carbon one as low as £6, you'd have to be pretty dumb to use a non carbon one in a FL.