Test 1. Protection tests Cockroaches from the sewer.

Test 2. Protection tests Small beetle Up from the sewer

Test 3. Protection test smells coming up from the sewer. The smoke and water test.

Test 4. Testing "WeStopSmell Tube" With water and smoke

Test 5. Test the speed and flow of water. The water color is displayed.

Test 6. Testing the water flow through the device "WeStopSmell" wash basin.