... .5/PN 2.5 2.Colors:white,gray,green,yellow 3.ISO9001,CE FR-PPR Glass Fiber Pipe for waterSpecifications:1) Material ... water supply systems for civil and industrial constructions, e.g. in residential buildings, hospitals, hotels, school and office buildings, ship building2 ... as swimming pools and stadiums6) For rainwater utilization systems glass fiber reinforced ppr pipe/composite pipe