Clariske Monday, 05/14/18 10:53:10 AM Re: Hystart post# 387 Post # of 457 Of course you can wait untill it start to climb. The AOS filter can delete bacteriën and for other filters they are not sure they can do that. It is 100% safe and the others are not save. It is a 350 billion/year open market with a proven technology and no technology based competition. 1000 times effective, 100 times efficient. The operating cost with 30.000 test from an university. That is what I have read myself. And they could work with China at this moment for delivery. But I like to see a big contract first.