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 Post subject: Hepa dust extractor
PostPosted: Wed Feb 14, 2018 7:33 pm 
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I am looking for a better than M class extractor. It has basically come down to

A Starmixhttps://www.allsaw-online.com/product/starmix-i-pulse-240v-h-class-vacuum-including-hose-and-tool-adapter/?gclid=Cj0KCQiA2Y_UBRCGARIsALglqQ1EsPHW1n8TLYe-GDhIwDYldflI49TYrTcrp1fQKS_7SapPqcmflrwaAmDFEALw_wcB&v=79cba1185463

Or a Boschhttps://shop.bosch-professional.com/gb/en/product/wet-dry-extractor-gas-35-m-afc--33013

I think they both have Hepa filters to boost the extraction any idea which is better or thoughts on other hoovers I should look at? Thanks.

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 Post subject: Re: Hepa dust extractor
PostPosted: Thu Feb 15, 2018 12:16 am 
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Starmix are exceptionally good extractors - in fact Bosch bought off them for many years (the current GAS25 and the older GSA50 were Starmix vacuums, albeit with the spec pruned) as did Elu and Festool before them, I believe. I use a Metabo - another Starmix with a badge job - and it hasn't half taken some hammer. Couldn't be happier with the product. They also sell their vacuums through Spit and loads of the concrete renovation people which shows how tough they think they are. Incidentally, why do are you going to HEPA? In H&S terms the next up would be Class H (so an ASR35H as opposed to an ASR35M)

Edit: See what you mean.... Thought that HEPA was different to Class H - and according to my notes many HEPA filters will allow asbestos fibres to pass straight through, whereas Class H won't, but then there are all different variations on the HEPA standard as well which is a bit confusing

From the HSE web site, "Never use domestic vacuum cleaners, even those fitted with high efficiency particle arrestor (HEPA) filters as these are not adequate for use with asbestos, and will allow asbestos fibres to pass straight through."

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 Post subject: Re: Hepa dust extractor
PostPosted: Thu Feb 15, 2018 7:22 am 
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The whole hepa thing is a bit confusing. A class H allows for things like dust free bag removal - I do not need this at all. I am simply would like to go a bit above M class if it is there to be bought. I am mainly off the tools now but there is still the chance I might run over a bit of lead paint with a sander if someone has used it as a stain block on a plaster wall etc I think some of the Hepa is at H filtration standard, but without the other stipulations for the H certification.

Anyhow cheers for the reply.

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 Post subject: Re: Hepa dust extractor
PostPosted: Thu Feb 15, 2018 11:00 am 
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I think the problem is that HEPA is really an American standard and as such isn't recognised by the relevant authorities here. Wasn't it was originally created to deal with allergens such as dog hairs, pollen, etc rather than ultra fine particles you can get in some work environments, e.g. asbestos?

If you don't need the extra features of a class H you could always go for a class M Starmix iPulse (e.g. Metabo ASR35M - even Toolstation are selling them now) which still has the in-run filter cleaning, etc (handy) but upgrade the filters to HEPA/class H (Starmix have a filter set which covers both filtration standards - note not every HEPA is class H compliant). I haven't looked closely at the iPulse class H, but I know that other class H devices must be run with a very specific dust bag, which may or may not be the case for the iPulse, hence the alternative. The Bosch GAS25/GAS50, Metabo ASR2025/2050/35 and Starmix iPulse all use the same filters - Bosch use a single filter (at least in the GAS25) whereas Metabo and Starmix use a double filter in their models.

Can't say how good or bad the new Bosch is but I've begun to suspect that Bosch will have cheese-paired on the design to get the price down - as they did with the Starmixes they once sold

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 Post subject: Re: Hepa dust extractor
PostPosted: Thu Feb 15, 2018 12:19 pm 
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That's a great reply :salute: . My head was spinning with an hour or so searching through the model numbers and the brand options and standards. :scratch: :scratch: I'll go for the Metabo with upgraded filters. :-)

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 Post subject: Re: Hepa dust extractor
PostPosted: Thu Feb 15, 2018 10:12 pm 
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Erratum: Please note that where I wrote:

Job and Knock wrote:
.....which covers both filtration standards - note every HEPA is class H compliant).


I meant to say:

.....which covers both filtration standards - note NOT every HEPA is class H compliant).

This is quite an important point. ::b So mods, could you please amend? :salute:

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 Post subject: Re: Hepa dust extractor
PostPosted: Fri Feb 16, 2018 6:48 am 
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For this message the author moderator2 has received gratitude : Job and Knock
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 Post subject: Re: Hepa dust extractor
PostPosted: Fri Feb 16, 2018 9:06 pm 
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Thanks! :salute: :thumbright:

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