Wao PVC installation so that you can adjust the strength of the wind blowing, and change the use of adhesive tape is used to pipe mouth Scott gloves, cloth cover instead of all the same authority.
Continue installing PVC valve to adjust the strength of the wind was blowing. And change the Scots mouth taped shut as gloves veil of similar agencies.
The installation of valve PVC to adjust the strength of the wind blow. And change using scotch tape gag pipe is used gloves cloth instead of the same as the agency.