nikel our standard size pool terrace. by against the pump should not be powerful enough it turns all the time despite the greenish products and regular cleaning. and then at first we thought she was pierced, we went after installing it, returning after drenched terrace ... nothing ....? or someone came to enjoy !!! except that brief, the height is IMPECC for our 2 year old son and a half stand up (it's big) it is expected that the good weather!