Metal also gives bigger flexibility for custom design and style features. It allows for easier development of personalized bent radii and steel steps, making it a versatile selection for one of a kind pool patterns. Whirlpool tubs 1st turned preferred during the U.S. in the nineteen sixties and nineteen seventies. https://pool.net/sandfilteranlage-poolfilter-prosand-vr1-pumpe-mit-kessel.html