Tony,
You might want to take a look at the JSP PowerCap. It's made in the UK so the filter spec is a little bit different than the US standards but is, I believe, equivalent to N95. I bought mine at the AAW Symposium last year where they were selling like hotcakes. I haven't used it a lot, but it is very well balanced in use--that is, then you tilt your head forward, you don't feel a sudden sense of your head being pulled down. I've been very pleased so far.
No experience with the Trend, but note that the PowerCap weighs in at 1.8 pounds vs 2.7 for the Trend. I bought mine here:
Please note: due to the high demand of this product, your order will take 7-10 business days to ship.Description:Lightweight and more balanced on the head than its competitors. The Powercap is the lightest head mounted PAPR in the World with over 8,000 sold in the USA. This PAPR is the go to prod...
pekesafety.com
Very knowledgeable folks and nice to deal with.
Bill