Universal 3号外置过滤器，可承受轿车重量
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•外部雨水过滤器，位于水箱之前
•可承受人体/轿车重量
•出水量100%：因此是屋顶面积较小时的理想之选
•过滤器嵌入网眼宽度0.35毫米（0.01英寸）
•因为使用检查井筒，安装深度从600到1,050毫米（22.4-41.3英寸）不等
•井盖可锁定，防儿童误开
•与地面平齐
•进出口高度差最小（270毫米/10.6英寸）
•也适用于渗透与水池系统
•最大屋顶面积350（DN 100接口）或者500平方米（DN 150接口）
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每一个细节都经过深思熟虑
100% water yield
100% water yield
The complete package includes a basket filter for 100% water yield, making it ideal for small roof areas or downstream infiltration.
Sealed to the top edge of the ground
Sealed to the top edge of the ground
The ingress of seepage water can impair the water quality. GRAF tank and filter solutions are therefore sealed up to the top edge of the ground.
Vehicle-loading
Vehicle-loading
Includes telescopic cast-iron dome shaft withvehicle-loading cover. This enables installation e.g. under the courtyard driveway.