David Stanton said:
Hi Scott. I appreciate the amount of time you put into your article.
A question or 2 and input as requested..
1. You state that the sys vac and mini are HEPA. Are they sold differently to the Australian models which are not HEPA, but a HEPA filter is available.
2. The hose on the sys vac is 3 metres, the hose on the mini is 3.5 metres. Also the hose on the sys vac needs to stay connected or dust will start falling out if the bag hasn't been closed.
3. The dust bag volume is 3.5 litres in the sys which is 50% of the 7 litres in the mini. The chamber size is 4.5 litres v 10 litres (45%) which quite honestly amazes me that Festool even mention it as use without a bag would be inadvisable unless using the mini as a wet vac. The sys can not be used as a wet vac.
Hi David
Thank you.
To your questions/comments:
1. I haven't seen or researched the Australian models but I suspect that there is a difference. Here in the states, the Cleantec line is called "Full Unit HEPA Certified", meaning not just the HEPA filter but the entire unit (seals, etc) are rated. You can read more about it here on Festool's microsite about the HEPA extractors:
http://www.eparrphepavacuum.com/ It is a big deal here because the EPA has strict regulations (and fines) about what types of vacs can be used legally on older homes (pre-78) which often contain lead paint.
2. As someone noted above, if the CT-SYS is sitting down in its table top or stacked orientation, the bag opening would be facing up, so no dust should come out when the hose is removed. That would be the way to take the hose off and close the bag. If it was in shoulder strap configuration, it would be possible for dust to release from the bag, but it would also be difficult to take the hose off in that position. We will be showing this in the video when it comes out.
3. You are correct, that the CT-SYS has 48% of the bag capacity of a Mini. We had initially plugged the chamber capacity (rather than bag capacity) of the Mini into our comparison chart versus bag capacity of the CT-SYS for a result of 37%, which is inaccurate and has been since edited to reflect bag vs bag. Thanks for the heads up. And you are right, the CT-SYS is not recommended for wet vac use. My guess is that they state the chamber size to give people an idea of the inner volume and size of the housing, I don't think it is meant to imply wet use ability.
Thanks for reading!